Erin Burnett Outfront

Greenland says it's not for sale after Trump discussed it, reportedly wants to boost legacy; Trump asked aides if it's possible to buy Greenland; U.S. officials expecting Iran to launch rocket in coming days; Trump called supporter after mocking him, didn't apologize; Trump calls Representative Tlaib's canceled trip to Israel to visit grandmother in West Bank "a complete setup"; Trump attacks Representative Tlaib after she turns down Israel visit; NYT: Obama to Biden: "You don't have to do this, Joe"; NYT: Obama has urged Biden team to find younger aides; Poll: 37% of Black voters back Biden; 2020 Presidential hopefuls court young Black voters; Warren's path from regulation critic to Wall Street Watchdog; Will Warren's Conservative roots hurt her with Liberal voters; Missouri Governor: State Trooper, Sheriff's deputy shot in "ambush"; House Judiciary Committee to come back early to vote on gun bills; House Judiciary Committee says it will v