Andrea Mitchell Reports 09/26/16

What will be the ‘debate moment’ tonight?

Hillary Clinton is counting on the Obama coalition to defeat Donald Trump, but has been underperforming with minorities and young people. Former campaign manager for Barack Obama, David Plouffe, joins NBC’s Andrea Mitchell to talk about this and what will be the big “debate moment,” from Monday night's face off. ... more Duration: {{video.duration.momentjs}}