Florida governor to endorse McCain TRIBUNE-REVIEW Salena Zito ORLANDO, Fla. -- The Associated Press is reporting that Florida Gov. Charlie Crist will throw his support behind John McCain. He joins Sen. Mel Martinez in what may prove to be the push McCain needs over Mitt Romney as the two battle it out for first place in the Sunshine State. Getting Crist’s support was considered by all of the candidates a huge catch. Crist enjoys over a 70 percent approval rating.