Shields and Brooks on Gov. Christie, Ryan's Earnestness

Aired: 8/29/2012 | 0:09:17 | Clip
Syndicated columnist Mark Shields and New York Times columnist David Brooks join Judy Woodruff and Gwen Ifill to evaluate convention speeches by New Jersey Gov. Chris Christie and Ann Romney, to discuss why foreign policy has been a non-issue at the RNC, plus the "wonky earnestness" of Rep. Paul Ryan.