Earlier today, Newt Gingrich hit Mitt Romney for hiring former Charlie Crist staffers. “We discovered last night that Mitt Romney has picked up Charlie Crist’s campaign team,” Gingrich said.  “I thought that sort of told you everything you needed to know about this primary.”

Florida senator Marco Rubio will not formally endorse a candidate, but he did push back against Gingrich’s comparisons between Crist and Romney today. The Miami Herald‘s Marc Caputo reports:

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