When Sporkful ally Todd Zwillich isn't covering DC politics, he's making cat poop confections: Those amazing photos of the tauntaun cake, and associated grim expressions of the eaters, have inspired me to send along some photos of my own. Behold, Kitty Litter Cake! I made it out of pudding, crumbled vanilla and chocolate Oreos, cake, and yes, hyper-realistic Tootsie Rolls (that's