Romney 's opponents step up their attacks over the weekend . Social issues will play a large role in South Carolina . Comment: Paul stood firm in calling Santorum `` corrupt '' and Gingrich a `` chicken hawk '' for not having served in the military . `` Would you use that phrase ( chicken hawk ) again ? '' Paul repeats harsh criticism to opponents ' faces .
Romney 's opponents step up their attacks over the weekend . Social issues will play a large role in South Carolina . Comment: Paul repeats harsh criticism to opponents ' faces .