2020 Democratic Contenders; White House Chief of Staff Leaving; Trump Implicated in Crimes; Interview With Florida Senator Marco Rubio; Interview With New York Congressman Jerrold Nadler; Trump: Chief Of Staff John Kelly Leaving The White House By End Of Year; Prosecutors Implicate Trump In Two Crimes In 2016 Campaign; Dozens Of Democrats Weighing Whether To Launch 2020 Bids Dozens Of Democrats Weighing Whether To Launch 2020 Bids; President Trump's Phone Calls In This Week's "State of the Cartoonion". Aired 9-10a ET