Astros batters, alas, labored in vain Monday. The Astros led 5-1 after two innings and 6-2 after three, but starting pitcher Paul Clemens and four relievers surrendered nine walks and four home runs, capped by Chris Colabello’s grand slam in the ninth inning, for a 10-6 Twins win before 14,287 at Minute Maid Park. The Astros scored three runs in the first and led 6-2 after three, finishing with 13 hits, but were undone by shaky pitching from Clemens, who allowed seven hits in 32