Shields and Brooks Preview 2012 Presidential Debate

Aired: 10/22/2012 | 0:08:45 | Clip
As the third and final 2012 presidential debate nears, polls show President Obama losing his edge over Mitt Romney on the question of who would be a better commander-in-chief. Gwen Ifill talks with NewsHour political analysts Mark Shields and David Brooks for what to expect from both candidates, with 15 days till Election Day.