PHILADELPHIA (AP) — The independent businessman who was beheaded in Iraq wrote colorful e-mails to family and friends at home, foreign dispatches that showed a 26-year-old with limited Arabic skills traveling solo through dangerous parts of the country. The January e-mails, in what now seem to be chilling references, also describe Nicholas Berg's work near the Abu Ghraib prison — "a notorious prison for Army and political prisoners," he wrote — and his brief detention by Iraqi police. His killers cited the abuse of prisoners by U.S. personnel at Abu Ghraib as the reason for Berg's killing. The abuse was...