MudvilleBy: Kurtis Scaletta Welcome to Moundville, where its been raining for longer than Roy McGuire has been alive. Most people say the town is cursedright in the middle of their big baseball game against rival town Sinister Bend, black clouds crept across the sky and it started to rain. That was 22 years ago . . . and its still pouring. Baseball camp is over, and Roy knows hes in for a dreary, soggy summer. But when he returns home, he finds a foster kid