Skip Schumaker's infield RBI hit capped a three-run eighth inning, taking tough-luck Chris Carpenter off the hook in the St. Louis Cardinals' 4-3 victory over the San Francisco Giants on Tuesday night. Albert Pujols and Allen Craig hit RBI doubles in the eighth before Schumaker, who had been in a 2-for-19 slump, got the go-ahead single against Javier Lopez (2-1) on a perfectly placed...