Global Tiered Missile Defense." Part of the Congressional Breakfast Seminar Series. Capitol Hill Club, 300 First St., SE, Washington. RSVP online . July 16 Anniversary of " Trinity ," the first nuclear test. Alamogordo, NM. July 16-20 Biological Weapons Convention meeting of experts. Geneva. July 18 8:00-9:00 a.m., David Tractenberg, former Principal Deputy