Sen. Richard Burr (R-N.C.) on Monday refused to say whether he’s seen evidence that Ukraine interfered in the 2016 presidential election, declining to directly rebut a debunked conspiracy theory floated by some of his fellow GOP lawmakers and President Donald Trump.

Burr, the chairman of the Republican-controlled Senate Intelligence Committee, instead played a game of words with reporters on Capitol Hill who pressed him about an interview with Sen. John Kennedy (R-La.), who suggested the Ukranian government worked “actively” to help elect Trump’s opponent Hillary Clinton. Trump later thanked Kennedy “for the job he did in representing both the Republican Party and myself” on Twitter.

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