Brooks and Dionne on ground troop debate

Aired: 9/19/2014 | 0:12:01 | Clip
New York Times columnist David Brooks and Washington Post columnist E.J. Dionne join Judy Woodruff to discuss the week’s news, including conflict over President Obama’s strategy to rule out the possibility of using ground troops against the Islamic State, what Hillary Clinton’s visit to Iowa says about her likelihood of running for president and who has the momentum ahead of November elections.