Plot: For the Mayor's 50th birthday, Paul is determined to get his ""old friend"" George Stephanopoulos to attend the event; as Michael arranges for birthday wishes from David Letterman, Patrick Ewing, Al Michaels, Dan Dierdorf, Frank Gifford, Rosie O'Donnell, Larry King, and the cast of Rent. But in the midst of the planning, a scandal swirls about the Mayor's presumed affair with a staffer from the Governor's office