(Christie had been a fundraiser for Romney. He demanded private jets, lavish food spreads and luxurious accommodations for himself and his large entourage.)

The vetting for VP did turn up some extremely bad news regard Christie. Romney had a short list of 5 people who consented to undergoing the vetting process, which was thorough. Christie's submission was incomplete.

What did come out was that as a US Attorney he consistently exceeded his travel allowance without adequate justification. There was an alleged affair with a female deputy, who accompanied him on numerous trips. There were allegations he steered government contracts to cronies and a defamation suit arising out of a political race. His brother Todd who was thoroughly crooked and among other things paid settlement charges for overcharging people on stock sales. Christie was a lobbyist for a while and had numerous dubious clients, unsavory enough that they could become campaign issues. On top of that was Christie was chronically late, has an uncontrollable temper, and expected to be treated like royalty. There's more, but that's the gist of it.

And then there was much information Christie wouldn't divulge. So while he was a great fundraiser, and he was considered to be a super VP nominee by people not privy to the vetting information, he was ultimately considered to be a liability. Those in the know thought he could not be elected governor again, the info was so damning.