 To the Best of Our Knowledge is produced at Wisconsin Public Radio and distributed by PRX. Charles Monroe Cain produced today's episode. He had help from Shannon Henry Kleiber and Angelo Bautista. Our technical director and sound designer is Joe Hartke, with help from Sarah Hopeful. Additional music this week from Black Belt Eagle Scout, Superman, Mata Waiyuhi, Sergei Cheromysov, and Circus Marcus.