There should not be any shame in losing to the University of Southern California, where Heisman Trophy-winning quarterbacks double as Calvin Klein models; where high-profile basketball recruits "matriculate" for one year to declare their candidacy for next year's NBA draft; where the ocean breeze carries a winning current and beautiful women to shore. As it turns out, the West Coast juggernaut of college athletics plays a little tennis on the side.\nBut heading into the quarterfinal round of the NCAA men's tennis tournament, No. 1 Virginia expected to beat the No. 8 Trojans and continue its march toward a national championship. Considering their unblemished r