BROOKLYN – How many NBA teams could survive the loss of their starting backcourt for nearly a quarter of the season? How many NBA teams could survive that loss when those two players are future Hall of Famers like Kobe Bryant and Steve Nash? Through 17 games, you can count the upstart Los Angeles Lakers among those teams. Thanks to an unlikely effective backcourt rotation quartet of Steve Blake, Jodie Meeks, Jordan Farmar and Nick Young, the Lakers are 9-8 and