Written by DCist contributor Monica Shores Taffety Punk’s Faithkiller is a play clearly influenced by the bitter partisanship that has recently dominated politics, the media, and, too often, personal interactions. As one character tells another, “It’s black and white, or it’s nothing.” Gwydion Suilebhan’s ambitious script follows several collections of characters in disparate situations that all converge around a TV remake of a 1940s radio show about a hero with a faith-eliminating gun. The…