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\u2019ll hear the character actor in two of his visits to \u201cradio\u2019s outstanding theater of thrills\u201d - \u201cThe Walls Came Tumbling Down\u201d (originally aired on CBS on June 29, 1944) and \u201cI Had an Alibi\u201d (originally aired on CBS on January 4, 1945).