PolitiFact looks at the Republican CNBC debate

Republican presidential candidates held nothing back in their fiery third debate Wednesday, throwing punch after punch at each other, Democrats, the moderators and the press.

Florida Sen. Marco Rubio sparred with his former mentor former Florida Gov. Jeb Bush throughout the night, and earned cheers and applause with this twofer: "The Democrats have the ultimate super PAC, it is called the mainstream media."