Soon: Dems hold final debate before Iowa caucuses; Progressives dread "stomach-churning" Warren and Sanders feud; Sanders plans attack on Biden's foreign policy; House committees will send additional evidence to Senate; Biden expected to focus on Trump, n

Pelosi sets vote tomorrow on sending impeachment to Senate; McConnell: Trump impeachment trial may start next Tuesday; Pelosi to reveal impeachment managers tomorrow; McConnell: No quick dismissal for Trump Senate trial; House Dems consider Giuliani associates evidence for Senate trial; NY Times: Russia hacked Ukrainian company tied to Bidens; Warren questions if Mar-a-Lago guests knew of Soleimani strike; Aide: Warren not looking for a fight with Sanders on stage

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