CHICAGO - A reputed mob enforcer who has been the focus of a nationwide manhunt since federal prosecutors unsealed racketeering-murder charges against the alleged top echelon of the Chicago underworld was arrested Friday, the FBI announced. Frank "The German" Schweihs, 75, was captured without incident when agents swooped down on an apartment he had recently rented in Berea, Ky., a hilly area 40 miles south of Lexington. Schweihs was one of two defendants who slipped away just before federal prosecutors in April unveiled the long-sealed indictment against reputed Chicago mob boss James Marcello and 13 others in the FBI's Operation...