On a day in which the Giants confirmed that Bill Neukom isout as the Giants' managing general partner andchief executive officer, Carlos Beltran reached a milestone homerun mark and in the process, he made Giants fans ponder those twotantalizing, frustrating notions: what could have been and whatmight be. Beltran twice took Mat Latos deep to right Wednesday as the Giants completed a three-game sweepof San Diego with a 3-1 decision, their fourth straight win.