"The Lame Duck Congress" is the 28th episode of The West Wing which aired on NBC on November 8, 2000, the day following the 2000 United States Presidential election.
As the last days of the lame-duck Congress roll forward, Sam Seaborn outlines a long list of Senate committee reassignments that are going to take place under the incoming GOP-led body of law, finishing with the news that a Republican opponent of the Comprehensive Nuclear Test Ban Treaty is going to head up the Senate Foreign Relations Committee and has made it clear he will not allow the Treaty to come up for voting.
Sam's idea that they should try to call a lame-duck session of Congress to pass the Treaty before this happens gets the OK. Communications Director Toby Ziegler leads the effort but is stunned when he learns that recently defeated Senator Marino (D-PA) will not vote for the Treaty, because he was its primary sponsor during his Senate days.
Cregg have to do some fancy diplomatic footwork when a very pro-Western but equally pro-alcohol Ukrainian politician shows up at the White House demanding to meet with the President.
[1] Kimberly A. Williams believes that "The Lame Duck Congress" is series creator Aaron Sorkin's critique of the 2000 presidential candidates' approach to dealing with changes occurring in Eastern Europe at the time.