State of SiegeBy: Tom Clancy, Steve Pieczenik, Jeff Rovin Series: Tom Clancy's Op Center Driven by greed, a group of U. N. peacekeeping soldiers becomes involved in activities on the wrong side of the law. When their tour of duty ends, the mayhem begins. Calling themselves the "Keepers," the rogue soldiers outfitted with stolen U. N. arms and ammunition devise a shocking scheme to get the world's attention Meanwhile, Op Center head Paul Hood has cleared out his