Watch live: GOP senators speak after Bolton bombshell ratchets up pressure for impeachment witnesses
Trump says he tried to stop 'Send her back!' chant aimed at Rep. Omar. He didn't.13:59
Defying video proof, Trump says he tried to stop the disgusting chants aimed at Ilhan Omar during his rally this week as several fellow Republicans defended the president. Peter Baker, Kimberly Atkins, and David Jolly discuss.