michelle fields
He pointed to an "escalating pattern of behavior" at Trump rallies that is "incredibly dangerous."
A Washington Post reporter stands by an eyewitness account that Breitbart calls into question.
CNN debate moderators didn't raise the issue, so Trump went on offense.
WHAT'S HAPPENING
Reporter Assaulted At Trump Rally Speaks Out
Some journalists say Corey Lewandowski, long known for being aggressive with the media, should be fired.