impeachment question that has entered the presidential campaign this weekend, should supreme court justice brett kavanaugh be impeached? at least six democratic presidential candidates say yes. bernie sanders and joe biden say there should be an investigation of branch with joe biden saying, quote, we must follow the evidence to wherever it leads. and presidential candidate amy klobuchar, who was one of the democrats who questioned brett kavanaugh in his senate confirmation hearing, is now demanding that the white house and attorney general william barr hand over materials from the fbi background investigation of brett kavanaugh. in a letter to the white house and attorney general, senator klobuchar says, "recent reports have again cast doubts on the completeness of the investigating process raising additional questions as to whether certain information was followed up on and recent witnesses were interviewed." klobuchar refers to are the work of our first guests tonight, "new york times" reporters robin pogrebin and kate kelly who published an article in "the new york times" sunday edition