nypost.com — ATLANTA - In his return to the Knicks on Friday, Amar'e Stoudemire managed to do something no NBA player had been able to accomplish the past 3 1/2 weeks - stop Carmelo Anthony. Or maybe it was Anthony who stopped himself in Cleveland as his 12-point, one-rebound, four-turnover outing may be an alarming foreshadowing of the postseason which begin next weekend.