Bedbugs Take a Bow on CBS Letterman ShowColumbus, Ohio leads the pack of cities with heavy bedbug infestations. And number four is Bloomington, Indiana. Gosh, it’s hard to believe that those nice folks in the Midwest could be sleeping with Cimicidae but the perverse isn’t confined to no-holds-barred #6 San Francisco, or notoriously corrupt #9 Chicago. Just kidding, Chicago! Is it windy there?