Former House Speaker Newt Gingrich being vetted for Trump VP

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Former Speaker of the House Newt Gingrich (R-GA) addresses the 42nd annual Conservative Political Action Conference (CPAC) February 27, 2015 in National Harbor, Maryland. (Photo by Alex Wong/Getty Images)

WASHINGTON (AP) — Presumptive Republican presidential nominee Donald Trump has begun formally vetting prospective vice presidential picks.

The New York billionaire is considering former House Speaker Newt Gingrich, among what he previously described as a short list of possible running mates. Gingrich’s inclusion was confirmed by a person involved in the vetting process who spoke on the condition of anonymity because the person was not authorized to discuss the situation publicly.

Trump begins the vetting process with less than three weeks before the start of the Republican National Convention, when he said he would publicly unveil his pick.

Gingrich has emerged as a prominent Trump ally in recent months, even as the presumptive nominee faced deep and sustained skepticism from many GOP leaders.