Rick Santorum, left, stands next to  Mitt Romney before the start of a Republican presidential debate
Rick Santorum, left, stands next to Mitt Romney before the start of a Republican presidential debate ASSOCIATED PRESS
Rick Santorum, left, stands next to Mitt Romney before the start of a Republican presidential debate ASSOCIATED PRESS

Santorum's debate struggle shows why Congress isn't the mother of presidents

February 23, 2012 4:55 PM