Republican presidential candidate Dr. Ben Carson continued to defend his recollection of his past on NBC's "Meet the Press" amid mounting questions about biographical discrepancies.
Carson brushed off criticism over a piece in the Wall Street Journal which said that after dozens of interviews with classmates, nobody remembered his role in sheltering students during race riots at his high school.
"Why would they know about that, unless they were one of those students," Carson told NBC's Chris Jansing.
Carson said he was expecting to be vetted, but the kind of scrutiny he is experiencing is born out of the "secular progressive movement in this country," adding that he is a threat to that because he and his campaign are attracting "a great diversity of people and it worries them."
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