U.S. Troops deploy to Iraq as siege of U.S. Embassy in Baghdad ends; Sen. Sanders raises $34.5M just weeks before Iowa caucuses; Report: Unredacted White House email calls Ukraine aid hold "clear dire

N. Korea, Iran threaten Pres Trump as impeachment trial looms; Defense Secy Esper: Iran will regret additional provocations; Kim Jong Un threatens to test new strategic weapon; Iran: We are not afraid of war & can "break" the United States; Sanders & Buttigieg out raise Biden in 4th quarter fundraising weeks before Iowa caucuses; 4th quarter fundraising: Sanders $34.5M, Buttigieg $24.7M, Biden $22.7M, Yang $17.5M, Gabbard $3.4M; Trump raises $46 million in 4th quarter; Biden lands first congressional endorsement from Iowa; Julian Castro ends his 2020 presidential bid; Biden pulls in his biggest fundraising haul with $22.7M in 4th quarter; CNN: Sen. McConnell expected to speak tomorrow on impeachment; Pelosi responds to new Ukraine docs: Why won't Trump & McConnell allow a fair trial?; Report: Uredacted White House emails reveal Pentagon's concern over Ukraine aid freeze; Wait and seethe: Trump fumes during impeachment limbo; NY orders more patrols & security after wave of violence; Family of Hanukkah attack victim: Prognosis isn't good; Trump uses homeless crisis to hit Pelosi after impeachment; Australian towns evacuated as wildfire threat levels rise;

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