Marcus and Gerson on GOP Candidates' Language,...

Aired: 8/19/2011 | 0:12:13 | Clip
Washington Post columnists Ruth Marcus and Michael Gerson, sitting in for NewsHour regulars David Brooks and Mark Shields, weigh in on the week's top political news, including Rick Perry's first week on the presidential campaign trail, President Obama's Midwestern bus tour and where and when presidents should take vacations.