ukraine saga. kurt volker reportedly has given closed-door testimony. two weeks ago graham said ifif democrats didn't release a transcript of volker's remarks, he would summon volker before the senate to testify.cr we are still waiting for that to happen too. r we've asked senator graham repeatedly to come on the show to explain this, among other things. we've never been successful in getting him here. instead tonight we are joined by senator rand paul.er he served with senator graham. represents the commonwealth of kentucky and has a fantastic new book out called "the case against socialism." rand paul joins us tonight. thank you for coming on.uc >> thanks, tucker. >> tucker: i don't want to be unfair to any particular senator but i would tell you that i hear a lot from our viewers. what's the answer? how did it start? lindsey graham is the committee chairman. he claimed he would get to the bottom of it and why hasn't he? >> not just any senator can do this. i can't call a committee hearing and drag these people in. senator graham has the power. c