By Larry Fine KANSAS CITY Missouri - Madison Bumgarner welcomes a challenge, and the San Francisco Giants ace left-hander handled a big one with aplomb in Tuesday's victory in the World Series opener against the Kansas City Royals. After the Giants staked him to a 3-0 lead in the first inning, Bumgarner faced a sticky jam when Mike Moustakas doubled after Omar Infante reached on an error by shortstop Brandon Crawford to put men on second and third with no outs. ...