“This could cost [Trump] the nomination,” Gergen says of tonight’s violence. But says if he shows positive leadership it could help him.

— Jon Ward (@jonward11) March 12, 2016

Is this a joke? https://t.co/6busi5MmMD

— Blake Hounshell (@blakehounshell) March 12, 2016

“Positive leadership?”
Has Gergen been asleep while the Trump campaign has been going on?