inner workings at a senior level. and gates could prove a key source of information on these and other issues. joining us now is the top democratic on the intelligence committee, congressman adam schiff. thank you for being with us tonight. i really appreciate it. >> thank you. >> why do you think that gates could be a key source of information on the central matter at hand here? >> well, you have paul manafort who was the campaign chair for a period of time and cory lewandowski who was the trump campaign chair for a period of time. and rick gates also played a role in the transition and thereafter. so he's in a position to see the whole length and breadth of what was taking place during the campaign. he traveled on the presidential plane for a period of time. and he's obviously facing extraordinary liability.