Hardball with Chris Matthews 12/21/15

Clinton calls Trump 'top ISIS recruiter'

During Saturday night’s debate, the Democrats found a force of their own in Hillary Clinton’s attack on Donald Trump. She says his behavior makes him ISIS’ top recruiter, and now Trump is demanding an apology. NBC News’ Katy Tur reports from Donald Trump’s rally in Grand Rapids, Michigan. ... more Duration: {{video.duration.momentjs}}