The Situation Room With Wolf Blitzer

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