If Anna Kournikova would like to get back into competitive sports, may we suggest the Association of Volleyball Professionals Tour? That's beach volleyball, in case you didn't know; two-person teams square off on a 15-event circuit with stops from New York to California. But that's not important right now. The fact is, the AVP Tour isn't fooling anyone; it's probably a safe bet that a good majority of pro beach volleyball fans are there strictly for the, um, view. After having gone broke in 1997, pro beach volleyball is now on steady legs, with 15 tournaments this season; among them stops in New York, Chicago and just about every beach in California. And that includes Lake Tahoe (technically the MontBleu Resort and Casino on the Nevada side) this past weekend,…