Mr. McCabe said he had never seen the document before and it was not clear to him that the information alluded to criminal conduct.
Senator Sheldon Whitehouse, Democrat of Rhode Island and a former federal prosecutor, defended the F.B.I. for not investigating the claim, noting that even information related to a possible Clinton campaign strategy did not amount to a crime but rather to typical politics.
Senator Ted Cruz, Republican of Texas, also brought up reports that advisers to President-elect Joseph R. Biden Jr. were talking to foreign leaders and compared that to the F.B.I.’s scrutiny of Mr. Flynn in connection with his December 2016 calls with the Russian ambassador during Mr. Trump’s transition. Read from source….