Biden's 'In Chains' Comment Quickly Changes Focus Of Presidential Race

By Frank Lenzi Published: Aug 15, 2012 at 7:15 AM PDT Last Updated: Aug 15, 2012 at 10:42 AM PDT
Biden's 'In Chains' Comment Quickly Changes Focus Of Presidential Race
In this July 11, 2012 file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks in Houston, Texas. (AP Photo/Evan Vucci)

Vice President Biden's 'In Chains' comment has shaken up the campaign. ABC News White House Correspondent Ann Compton is on the Obama campaign bus tour.