Republican presidential candidates Rick Perry, left, Rick  Santorum, Mitt Romney, Newt Gingrich and Ron Paul posed for a photo at the start of Monday's debate in Myrtle Beach, S.C. Front-runner Romney continued to be the target of his rivals' attacks.
Republican presidential candidates Rick Perry, left, Rick Santorum, Mitt Romney, Newt Gingrich and Ron Paul posed for a photo at the start of Monday's debate in Myrtle Beach, S.C. Front-runner Romney continued to be the target of his rivals' attacks. ASSOCIATED PRESS
Republican presidential candidates Rick Perry, left, Rick Santorum, Mitt Romney, Newt Gingrich and Ron Paul posed for a photo at the start of Monday's debate in Myrtle Beach, S.C. Front-runner Romney continued to be the target of his rivals' attacks. ASSOCIATED PRESS

Choices narrow, but field unclear

January 17, 2012 12:00 AM