Word of the Capitals' first significant personnel move of the offseason arrived yesterday: assistant coach Jay Leach, with the club for five seasons, won't be returning in 2009-10. Leach coached the team's defensemen. It's pointless to speculate on the rationale for the change -- all that General Manager George McPhee would offer yesterday was that the decision was "mutual." But Leach's departure arrives not two weeks removed from the conclusion of a tumultuous s...