TARRYTOWN, N.Y. -- Karl-Anthony Towns, D'Angelo Russell, Jahlil Okafor and 34 other top picks from the 2015 NBA Draft descended upon the New York Knicks practice facility on Saturday to participate in the high-energy, high-yield, highly entertaining 2015 Panini America NBA Rookie Photo Shoot, slipping into their NBA uniforms to take pictures for the trading cards that will be collected for the rest…