Rudy Giuliani associate: Trump "lied" about not knowing me; NYT: Bolton will address Ukraine scandal in book as questions grow about whether Bolton will testify; White House won't say who is on Trump's defense team for Senate trial; Jordan, Meadows, Ratcliffe in the running; Susan Collins questions new impeachment evidence: "I wonder why...it's only now being revealed"; Trump signs first part of major trade deal with China; Warren, Sanders to leave campaign trail during impeachment trial with no clear frontrunner in Iowa; Sanders, Warren feud as polls show tight race in Iowa
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Erin Burnett OutFront