How Will Perry Change Dynamic in GOP Debate?

Aired: 9/7/2011 | 0:05:49 | Clip
Before President Obama presents his plan to spur job creation on Thursday night, eight Republican hopefuls will debate at the Ronald Reagan Presidential Library in Simi Valley, Calif. Gwen Ifill and Political Editor David Chalian preview the debate, which will be the first to include GOP front-runner Rick Perry.