MSNBC Live with Tamron Hall 09/15/15

Ben Carson almost even with Donald Trump in new poll

Ahead of the next big Republican debate, the New York Times/CBS News poll shows presidential candidate Donald Trump at 27% among Republican voters nationwide, while Ben Carson has climbed to 23%. NBC’s Peter Alexander reports plus, Republican Strategist Matt Schlapp and Daily Beast Contributor Patricia Murphy join the NewsNation political panel. ... more Duration: {{video.duration.momentjs}}