(CNN) - Mitt Romney's presidential campaign is all riding on Michigan's primary vote, a top GOP congressman said Tuesday.
"From my perspective, if Romney does not win Michigan, it creates real problems for his candidacy," New York Rep. Peter King said Tuesday on CNN's "Starting Point with Soledad O'Brien."
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King said a Michigan loss for Romney would spark more active recruitment of other candidates from GOP insiders.
"I think you will start seeing more activity among the Republican establishment, whatever that is, talking to people like Chris Christie, Jeb Bush, Paul Ryan, Mitch Daniels. If Mitt Romney has not been able to break loose at all, can't win Michigan, it raises real problems. Rick Santorum has had a lot of negatives over the last week. If he is still able to win Michigan, that shows a real problem that Mitt Romney has."
King was quick to make clear he was just verbalizing Republican chatter.
"I have no inside knowledge," King said. "Just whispering and mumbling here. Again, among top Republicans who are concerned that Governor Romney has not been able to break loose. The longer this goes on and his weaknesses show, the stronger President Obama becomes."