GOP presidential hopeful Mitt Romney is applauded by sons Josh (center) and Tagg (left) as he speaks Thursday at a Conservative Political Action Conference in Denver. Attendees hailed his debate performance of the night before.  (Associated Press)

GOP presidential hopeful Mitt Romney is applauded by sons Josh (center) and Tagg (left) as he speaks Thursday at a Conservative Political Action Conference in Denver. Attendees hailed his debate performance of the night before. (Associated Press)