In between thier usual fare of investigative news and a bevy of editorial pieces, The Washington Post was busy running their first-ever Peeps Diorama Contest. Sure, we’ve indulged in Peeps dueling, in which peeps armed with toothpicks are placed in the microwave to see which candy strikes the first blow as they melt, but WaPo’s contest surprised us. D.C.’s most esteemed news source asked folks to create scenes with Peeps, the essential Easter marshmallow treat,…