The Situation Room With Wolf Blitzer

Investigators: New York stabbing suspect searched online for "Hitler" and synagogue locations; suspects handwritten journals appear to express anti-Semitic sentiments; Suspect in stabbing at rabbi's home goes to court on federal hate crimes charges; Suspect's attorney says client is "disturbed" but not a domestic terrorist or anti-Semetic; New York Times: Trump's top advisers warned him against withholding Ukraine aid; New York Times discloses meeting where Pompeo, Bolton, Esper failed to persuade Trump to release aid; Washington Post: Giuliani held back-channel phone call with Venezuelan president; Iran-backed militia vows revenge for U.S. strikes in Iraq, Syria; Kremlin says Putin invited Trump to Moscow in weekend call; Biden responds to Buttigieg's criticism of his record on Iraq, foreign policy; Biden says he'd consider a Republican running mate; Doctors: Sanders in good health and fit to serve as president despite October heart attack; Security guard who shot