CBS News Exclusive: White House staffer Kash Patel denies he was back channel to Trump on Ukraine

A White House staffer named in House Intelligence Committee Chairman Adam Schiff’s impeachment report is refuting the suggestion that he may have been part of a back channel to the president on Ukraine. CBS News senior investigative correspondent Catherine Herridge spoke to CBSN’s “Red & Blue” about her interview with the insider, Kash Patel. Source