With Afghanistan decision, what happens now for U.S. troops?

Aired: 10/16/2015 | 0:03:29 | Clip
President Obama announced this week that 10,000 U.S. troops will remain deployed for another year in Afghanistan to help quell the resurgent Taliban and keep training the country's police force. Austin Long, a professor of international and public affairs at Columbia University, joins Hari Sreenivasan to discuss.