NEW YORK (CBSNewYork) — From New Jersey governor to vice president?

CBS2’s Dick Brennan reported Donald Trump’s campaign is vetting Gov. Chris Christie as a possible Republican vice presidential nominee.

Christie has been an ardent Trump supporter since dropping out of the presidential race as he became the first governor to endorse the billionaire.

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Christie also defended Trump when House Speaker Paul Ryan called the billionaire’s comments about a Hispanic federal judge presiding over the Trump University lawsuits “textbook racism.”

“Donald Trump is not a racist,” Christie said, CBS News reported. “The allegations that he is are absolutely contrary to any experience I’ve had with him over the last 14 years.”

The Washington Post reported former House Speaker Newt Gingrich and Republican Sens. Jeff Sessions of Alabama and Bob Corker of Tennessee are also on the vice presidential short list.

According to CBS News, Trump said he would announce his vice presidential pick at the Republican National Convention next month.