When state Sen. Bob Margett walks among the manufacturers and dairy farmers of his conservative district, he says, "it's all attaboys" for his part in the seven-week budget stalemate that has paralyzed much of state government. " 'Bob, . . . thank God for the Senate,' " the Arcadia lawmaker recalled hearing time and again. "I'm getting all these attaboys to hang in there, and that's my constituency. I don't have a single vote in San Francisco." .... Nor is he beholden to voters in other largely Democratic urban areas. Margett and 13 GOP colleagues in the Senate represent a...