evidence to back it up. it sounds like some colleagues across the aisle share the core of your same concerns. >> i agree with that completely. senator corker, the chairman of the foreign relations committee and i have talked about this. we know that we have a responsibility on our committee to get information concerning our relationship with russia. we want to make sure that we have adequate information so that we can carry out our responsibilities as the senate foreign relations committee. yes, and senator graham and senator mccain and others have expressed a need for having a broader investigation as to what russia has done here in america. >> shannon: okay. i also asked senator graham about where the information came from, who is leaking it and who is responsible. here is what he told me. >> incredibly concerned that this white house and people around the white house are leaking conversations between the president and foreign leaders, leaking classified information to the media on a regular basis. part of the investigation that