WASHINGTON – Yeah, Team USA’s here. Big deal. So are hundreds of college basketball coaches and more than a dozen NBA scouts, who converged this weekend on the Nike Global Challenge to evaluate tomorrow’s stars. Here’s a look at some key storylines from the three-day event held at lovely Episcopal High School in Alexandria, Va. and the not-as-lovely D.C. Armory. CAL’S BEEN BUSY: After coaching the Dominican Republic within one win of an Olympic berth before Thursday’s loss to Team USA in Las Vegas, Kentucky