“This is extremely serious. ” — Don Perry, of the Chick-fil-A fast-food chain, on Chick-fil-A’s suing Burger King because Burger King’s ad campaign, in which chickens hold up signs saying, “Save the Chickens: Eat a Whopper,” is similar to Chick-fil-A’s ad campaign, in which a cow urges consumers to “Eat Mor Chikin” (Chicago Sun�Times)