"About to turn ninety, Bob Cousy, the Hall of Fame Boston Celtics captain who led the team to its first six championships on an unparalleled run, has much to look back on in contentment. But he has one last piece of unfinished business. The last pass he hopes to throw is to close the circle with his great partner on those Celtic teams, fellow Hall of Famer Bill Russell, now 84. These teammates were basketball's Ruth and Gehrig, and Cooz, as everyone...