Whether in corporate circles or rap battle royales American consumers love a good feud. Especially when it's played out in a public forum. So the folks over at notorious ad agency Crispin Porter + Bogusky have pushed the envelope again: In a recent Domino's (DPZ) ad CEO David Brandon puts a cease-and-desist order from rival chain Subway into a 450-degree oven - and burns it to a crisp.The spot is the latest in Domino's campaign touting the pizza chain's new oven-baked sandwiches over Subway's. Citing an independent taste-test conducted by the company the ads say subjects preferred Domino's by ...