A source with knowledge of the proceedings told ABC News that newly confirmed CIA Director John Ratcliffe, former NSA adviser Robert O'Brien and former Sen. Richard Burr, a former Senate Intelligence Committee chairman, have been making calls to senators on Gabbard's behalf. Gabbard has also talked to senators since her hearing, a source said.

Mo., discusses Director of National Intelligence nominee Tulsi Gabbard’s advancement to a floor vote on ‘The Will Cain Show.’

After Gabbard faced a public questioning, two of three senators still on the fence now say they are a 'yes' vote.