February 26, 1950 - Jack Benny talks about his trip to Washington DC, then they do a parody of the mystery radio show "The Whistler". They did this same parody on the episode from October 20, 1946.
References include President Truman, the Gallup Poll, breakfast cereals, and the songs "Dear Hearts and Gentle People" by Bring Crosby and "Scarlet Ribbons" by Dinah Shore.