Jack Benny: "IRS visits Jack; cast goes to the circus" (22 April 1951).
Jack: Oh mister, about the freak show . . .
Barker: Yes sir, would you like a ticket or a contract?
And, in honor of Solzhenitsyn, "I Was A Communist For The FBI." This one's called "One Way Ticket" (4 March 1953).
Update: Well, that IWACFTFBI seems to be busted at the archive, so here's another: Red Clouds On The Good Earth (6 August 1953).