Herman Cain's front-runner status makes him a target. Mitt Romney needs to win over more conservatives. Can Rick Perry rebound?
Former Massachusetts Gov. Mitt Romney still has to sell himself to conservative voters who have been looking for an alternative.
Many political experts believe Romney will ultimately be the Republican nominee to face Democratic President Barrack Obama next year but he has a long way to go yet.
Texas Gov. Rick Perry, a staunch conservative, has to prove he can hold his own on stage with his main rivals after four shaky debate performances that knocked him out of the front-runner position.