Whether he was a thorn in the side of The Absent Minded Professor or reluctantly destroying Coke machines in Dr. Strangelove, Keenan Wynn was always a welcome presence on screen. We’ll hear the character actor in two of his visits to “radio’s outstanding theater of thrills” - “The Walls Came Tumbling Down” (originally aired on CBS on June 29, 1944) and “I Had an Alibi” (originally aired on CBS on January 4, 1945).