MONCKS CORNER, S.C. (AP) - Two men found with several pipe bombs in their car near a Navy base were charged Monday with possession of an explosive device, authorities said. A joint state-federal investigation was under way to see whether there was any terrorism connection but no link had been found yet, said FBI spokeswoman Denise Taiste. The Navy base is the site of a brig where enemy combatants have been held. Ahmed Abda Sherf Mohamed, 24, and Yousef Samir Megahed, 21, both students at the University of South Florida in Tampa, were driving through the area on Saturday to...