Erin Burnett Outfront

Top White House Ukraine expert Lt. Col. Alexander S. Vindeman convinced of quid pro quo; John Bolton says "no way" to a voluntary deposition before Congress; Trump's hand-picked ambassador to Russia breaks with the President; White House acting chief of staff Mick Mulvaney learned of raid that killed the head of ISIS after it was over; What are Pennsylvania Dem voters now saying about impeachment; Decoding Trump's favorite punctuation via Knit