Longneck and others who may not know this story. It's a spoof on the Republican Seantor who was recently busted in an airport bathroom for trying to solicit sex with who was an undercover cop. The shoe tapping and signaling was all a part of the story. The Senator later claimed that he "had a wide stance" (that's what Pitt says) when he sat, thus trying to explainin why his foot tapped the cops.
TIS
"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK
The shoe tapping and signaling was all a part of the story. The Senator later claimed that he "had a wide stance" (that's what Pitt says) when he sat, thus trying to explainin why his foot tapped the cops. 
