NBC News reporter Katy Tur claims Trump's staff is clamping down at campaign events.
"Everybody’s their own cop in a way," the GOP presidential front-runner said.
“Now is not the time for us to succumb to racism and bigotry," he says in policy paper.
“This is a tepid effort,” the 2016 GOP presidential contender said.
"I know many Muslims who were just as angry and saddened as we were."
VIDEO | Protesters took to the streets after footage of teen's shooting was released.
Likely Democratic caucus-goers think the former secretary of State is more electable.
Bush criticized Trump's claims about Sept. 11 and the treatment of a protester.
The video highlights Trump's remarks about Muslims and illegal immigrants.
Sanders and O'Malley took part, taking questions from the progressive group.