intelligence committee telling cnn the former fbi director will answer all questions in his testimony this week. >> i understand that the special counsel has not fenced him off from the items he intends to testify about. >> that's right. [ inaudible ] >> it's about russia's involvement in our 2016 election, which is the investigation. that does lead into the possibility of collusion. >> all right. that means the scope of this public testimony is much broader than just maemos comey kept of trump. this comes on the heels the president will not try to block the testimony. the white house has waived executive privilege to keep comey from testifying about his private meetings with the president. >> reporter: for congress, it's the hottest question in town, did president trump try to pressure fbi director james