"I think Newt Gingrich has embarrassed the party, over time," Christie (R), who has endorsed Romney, said Sunday on NBC's Meet the Press. "Governor Romney never has."
"We all know the record," Christie added. "I mean he was run out of the speakership by his own party, he was fined $300,000 for ethics violations. This is a guy that's had a very difficult career at times and has been an embarrassment to the party."