Political Checklist: What Can Obama's Speech Accomplish?

Aired: 9/7/2011 | 0:05:36 | Clip
David Chalian and Gwen Ifill preview a big week in American politics: Wednesday night the Republican presidential candidates face off in another debate, which will be frontrunner Rick Perry's first. Thursday night President Obama will address a joint session of Congress on his new jobs plan amid his lowest poll numbers of his presidency.