The Situation Room With Wolf Blitzer

Washington Post: Sanders briefed by U.S. officials on Russian efforts to help his campaign, Sanders: some "ugly stuff" on the internet may not be coming from "real supporters", U.S. officials tell Sanders Russia is interfering in his campaign, Nevada caucus volunteers given confidentiality agreements via Knit

Judge: Stone "prosecuted for covering up for the president"; Trump: Won't pardon Stone now but "good chance of exoneration"; Bloomberg tries to regain footing after rough first debate; Judge: Stone was obstructing Congress, not anti-Trump cabal; Trump: Roger Stone jury forewoman an "anti-Trump activist"; Trump: No immediate Stone pardon, says "I want the process to play out"; Source: Trump became irate with acting intel chief last week, prompting loyalist's appointment to job; Trump Tweets on Stone case after Barr signaled he may resign over Trump comments on DOJ cases; NY Times: Intel officials warned lawmakers Russia interfering in campaign to try to get Trump re-elected; Bloomberg calls Trump "the real winner" of Dem debate; Dems slam Bloomberg over policing, treatment of women; Dem moderates trade barbs as debate gets personal; Dems look ahead after fiery debate marked by attacks; New polls: Sanders ahead in multiple upcoming states; Rivals quest

Bloomberg and Sanders spar ahead of ex-mayor's first debate; Source: Trump and Barr "cooling off" after attorney general signals he may resign over Trump's tweets; Sanders: Bloomberg doesn't have "Right to buy election"; Sanders facing questions over withholding full medical records, despite heart attack; Sanders aide apologies after falsely claiming Bloomberg had a heart attack; Lawyer for Wikileaks' Assange claims Trump offered pardon in exchange for help with Russia investigation; Top Pentagon policy official who warned against withholding Ukraine aid resigns at Trump's request; CNN Poll of Polls: Sanders well ahead of 2020 rivals; Bloomberg and Sanders spar ahead of ex-mayor's first debate; Sanders refuses to release more medical records; Japan criticized as coronavirus spreads on quarantine ship; via Knit

Trump commutes Ex-Illinois Governor's sentence, pardons Ex-New York City Police Commissioner and junk bond king; Trump calls himself "Chief Law Enforcement Officer"; Trump: Barr "Is a Man with Incredible Integrity"; Days before sentencing, Trump says Stone treated unfairly, adds "I'm allowed to be involved"; Group of federal judges calls emergency meeting over Department of Justice intervention in politically sensitive cases; Sanders leads new Democratic poll; Bloomberg rises to second; Bloomberg qualifies for debate, drawing rivals' criticism; Bloomberg slams aggressive tactics of Sanders' backers; Sanders and Bloomberg trade barbs ahead of debate; Democrats push for support ahead of Nevada caucuses; Nevada Democrats "Confident" of avoiding Iowa's chaos; Sanders opens double-digit lead in national poll of Democrats; Trump: What's happening to Sanders "Seems Unfair"; Nevada Democrats "Confident" of avoiding Iowa's c

Biden: "No one has ever weaponized DOJ" the way Barr has; White House official: No change in Trump's view of Barr amid steeped up calls for AG's resignation; Trump campaign deletes dramatic Air Force One pic after people point out it's from 2004; Roger Stone sentencing scheduled Thursday after Justice Dept. undercuts prosecutor's recommendation; Nevada Dems training caucus volunteers, hoping to avoid repeat of Iowa's problems; Dems target Nevada ahead of Saturday caucuses; Biden hopes to re-energize campaign with win in Nevada; Dems take aim at Bloomberg as he rises in national poll via Knit

White House official: Trump angry that DOJ won't pursue McCabe charges, Trump claims "legal right" to interfere in DOJ cases, Case dropped against McCabe, DOJ takes new look at Flynn, Trump reverses denials, admits he sent Giuliani to Ukraine, One-on-one with ex-FBI Deputy Director after DOJ drops probe, McCabe: I'll never be free of Trump and his "maniacal rage", Dozens echo Evelyn Yang's allegations against doctor of sexual assault, Justice Department under scrutiny via Knit

Barr claims his intervention in Roger Stone's sentencing had nothing to do with Trump's Tweet; Trump: May stop aides from listening to calls with leaders; Bloomberg tries to overwhelm Democrats with massive spending; "Race for the White House" premieres Sunday at 9pm ET/PT; Insults fly between Trump, Bloomberg as Bloomberg rises in polls; Trump claims ex-chief of staff Kelly was in "way over his head" after he praised Vindman & criticized Trump; Trump on John Kelly's criticism: He "can't keep his mouth shut"; CDC Director says coronavirus can be spread by people who do not have symptoms; CDC Still not able to go into China; Former wrestler testifies that Rep. Jim Jordan asked him to deny sexual abuse allegations; Ex-wrestler: GOP Rep. Jim Jordan begged me to contradict brother's accounts of sexual abuse by University doctor via Knit

Trump thanks Justice department for intervening in Roger Stone case; Attorney general Barr to testify before house committee, democrats expected to press him on Stone case, Giuliani information; Trump: Stone case "perhaps should not have even been brought"; Trump withdraws top treasury nomination for United States attorney who oversaw Roger Stone case; Sen, Schumer: Trump would turn America into Banana Republic" if left to his own devices; Republicans reluctant to criticize Trump after interference in Roger Stone sentencing; Trump: Four prosecutors who withdrew from Roger Stone case should "Go back to school"; Trump thanks Justice department for intervening in Roger Stone case; Trump slams prosecutors of his allies, ask "Where is Comey? What's happening to McCabe?"; CNN: Decision to withdraw treasury nominee linked to her oversight of Stone and McCabe Prosecutions; Trump thanks Justice department for intervening in Roger Stone case; GOP senators downplay questions on T

AG Barr: Justice Department attempting to verify Giuliani's claims about Bidens' dealings in Ukraine; 2020 Dems sharpen attacks on eve of crucial primary; Sanders and Buttigieg ask for partial recanvass in Iowa; Sen. Graham defends firing of impeachment witnesses; Trump launches fresh attacks on Senators who voted to convict on articles of impeachment; Sources: Impeachment witnesses were planning quiet exit before Trump ordered public firings; Sen. Graham defends firing of impeachment witnesses, accuses officials at CIA, FBI and DOJ of going after Trump; via Knit

Impeachment witness Lieutenant Colonel Vindman fired from White House; Attorney: Vindman fired for "Telling the Truth"; Impeachment witness Bill Taylor says Lieutenant Colonel Vindman, Ambassador Yovanovitch have been "Unfairly Attacked"; Photos of Giuliani in Spain suggest Lev Parnas has more material to share with investigators; Iowa Democratic Chair: Caucus mistakes "Categorically Unacceptable"; Iowa Democratic Chair admits he didn't use failed app at the center of caucus counting controversy; Sanders: Won't ask for full recanvas of Iowa results; Deadline extended for candidates to challenge Iowa results; Sanders hits Buttigieg over wealthy donors; Trump mocks Democrats over Iowa counting troubles; Trump: Democrats "Fried" their votes in Iowa; Trump's Big Week: Acquittal, Poll Numbers, Jobs Report; Some Sanders fans use hostile tactics to drown out critics; Coronavirus infections spur cruise ship quarantines amid growing global concerns over spreading

Pelosi: Trump looked "a little sedated" during state of the union, Trump: "we first went through Russia... it was all bulls--t", Trump: Schiff and Pelosi are "horrible people", Trump: Romney "ran one of the worst campaigns" in history, Source: Rudy Giuliani "not in the doghouse", Trump takes swipe at Romney, Pelosi during prayer breakfast, Pelosi: "I don't know if the president understands about prayer", Pelosi: "I don't need any lessons" from Trump about dignity, Pelosi defends tearing up the state of the union address, House judiciary chair: Bolton subpoena "likely", Trump rails against "dirty cops, liars and leakers", Trump slams Hunter Biden during verdict "celebration", Barr: investigations of 2020 candidates need DOJ approval, DNC chairman calls for Iowa recanvass; latest results show Buttigieg and Sanders in virtual tie, Sanders declares "decisive victory" in Iowa amid Buttigieg tie,

Trump vents fury vindictive, rambling acquittal "celebration;" Pelosi: Trump looked "a little sedated" during State of the Union; Trump: "We first went through Russia... It was all Bulls--t;" Trump: Schiff and Pelosi are "horrible" people; Trump: Romney "ran one of the worst campaigns" in history; Pelosi defends tearing up the State of the Union address; Trump, unlike Clinton, shows no contrition after verdict; Barr: Investigations of 2020 candidates needs DOJ approval; DNC Chairman calls for Iowa recanvass; Sanders declares "decisive victory" in Iowa amid Buttigieg tie; Hundreds of Americans quarantined as coronavirus spreads via Knit

McConnell "surprised" and "disappointed" by Romney vote; Romney only Republican to vote to convict Trump; White House officials: Trump team caught off guard by Romney vote; Romney first U.S. Senator ever to vote to convict a president of same party in an impeachment trial; Buttigieg holds lead in Iowa as more results released; Testy State of the Union drives home intense partisan divide via Knit

Senate acquits President Trump of impeachment charges; GOP's Romney casts guilty vote against Trump on abuse of power; White House officials: Trump team caught off guard by Romney vote; Trump to make statement on impeachment victory tomorrow; Buttigieg retains lead as Iowa updates count; New backlash against Limbaugh honor at State of Union via Knit

White house legal team finishes presentation; Trump's ex-chief of staff: "I believe Bolton"; Trump's lawyer: Allegations from Bolton book "Inadmissible"; Pressure for witness grows after Bolton bombshell; Source: Trump pleased with his defense team's presentation; Trump praises Pompeo amid clash with NPR reporters; Palestinians reject Trump middle east peace plan; Witness testimony in limbo as Trump trial enters new phase; GOP senators huddle after Trump lawyers conclude arguments; White house legal team finishes presentation; Trump legal team source: Can't say if they have been briefed on Bolton manuscript; GOP senators huddle on possible witnesses in trial; Five confirmed coronavirus cases in United States; CDC expands airports screening for virus from five to 20; China: 4,610 confirmed coronavirus cases, 106 deaths; All nine bodies recovered from Kobe Bryant crash site; new video shows Bryant helicopter shortly before crash; via Knit

Trump legal team presents defense case; Trumps legal team focuses on the Bidens via Knit

Kobe Bryant, 13 year old daughter among nine killed in helicopter crash, Fans, players mourn Kobe Bryant following NBA legend's death via Knit

House Democrats: Trump's assertions about impeachment articles "Chilling, dead wrong"; House impeachment managers, Trump lawyers do walkthrough od Senate ahead of trial; Trump lawyers: trump asking Ukraine to investigate 2016 election was in America's "national interest"; Trump distracted by impeachment trial, asks associates "why are they doing this to me"; GOP's Graham: Trump hopes to have trial over by State of the Union address; Trump lawyer in 1998: It "doesn't have to be a crime" to impeach; Nadler: "Ample evidence...any jury would convict in three minutes flat"; Schiff: National Security Agency is withholding Ukraine documents from Congress ahead of trial; Democrats angry resolution detailing trial procedures has not been released yet; White House legal team slams Trump impeachment as "a dangerous perversion of the Constitution"; Trump legal team: He "Should immediately be acquitted"; CNN Poll: 69% say Senate tria

Sources: House Republicans no longer expected to take a formal role in Trump impeachment trial; Trump adds Ken Starr to impeachment legal team after previously calling him "a lunatic.., a disaster", Parnas says he watched Trump tell aide to fire US ambassador to Ukraine; Pompeo breaks silence, says State Dept. will investigate possible surveillance of ex-US ambassador to Ukraine; House impeachment managers expected to meet Sunday as staff work through the weekend; Dershowitz to present oral arguments at Senate trial; First vote on impeachment witnesses expected Tuesday; Sources: Tuesday Senate impeachment session could stretch hours, go behind closed doors; Clinton-era independent counsels Ken Starr, Robert Ray join Trump's impeachment team; Pentagon: Several US troops were treated for concussion symptoms after Iran missile attack via Knit

GOP Sen. McSally lashes out after question about impeachment evidence, calls reporter "a liberal hack"; Trump says "I don't know him" after indicted Giuliani associate implicates president in Ukraine scandal; Trump denies knowledge of Giuliani's letter seeking meeting with Ukraine president claiming Trump's consent; Government watchdog: trump administration broke law by withholding Ukraine aid; Trump says he'll be at Davos Economic Summit during impeachment trial next week; Giuliani associate: Push for Ukraine to investigate Biden was "all about" helping Trump win in 2020; Giuliani associate: trump knew exactly what was going on; Source: Wary of angering Trump, intel officials request no public hearings on worldwide threats; Ukraine investigating whether U.S. Ambassador was being tracked; FBI visits home, business of congressional candidate implicated by Giuliani associate via Knit