Erin Burnett Outfront

Wall Street Journal: Trump urged Ukraine's president about eight times to work with Giuliani to investigate Biden's son, Trump claims whistleblower is a "political person" but admits he doesn't know who the person is, Biden boosts Iowa ground game as polls show close race, Biden to Medicare for all supporter in Iowa: "Tell Elizabeth to tell it's going to cost a lot of money", millions march demanding action on climate change, scientist: climate change putting food supply in jeopardy, crying for attention on the campaign trail via Knit