The 14th annual reunion of the Four Freshmen and international convention for members of the Four Freshmen Society will be held Aug. 8-10, 2002, in Reston, Va. The convention will include two shows by today's Four Freshmen -- Bob Ferreira, Brian Eichenberger, Vince Johnson and Curtis Calderon. Several former members of the group, including the two original members who are still living -- Bob Flanigan and Ross Barbour -- also are scheduled to attend the three-day affair at the Hyatt Regency Ho …