Republican presidential candidates Donald Trump (right) and Wisconsin Gov. Scott Walker speak together during a commercial break at the first Republican presidential debate in Cleveland on Thursday. Trump's remarks about Fox News debate moderator Megyn Kelly have triggered a firestorm.
Newt Gingrich greets supporters during a rally at Wings Plus in Coral Springs, Fla., on Jan. 25. The GOP candidates meet in Jacksonville Thursday night for a final debate before Tuesday's primary.