BAGHDAD, Iraq (AP) - In an outdoor food market under the fierce midday sun, a crowd of men and boys were watching video footage of a truck bomber seated behind the steering wheel, smiling and murmuring his last words before crashing into U.S. military vehicles on an overpass. Elsewhere, the TV set in a coffee shop was offering customers the video of foreign hostages being beheaded. In a city battered and traumatized by 17 months of violence that seems to grow worse by the day, real-life horror has become the viewing fare of choice, supplanting the explosion of pornography that...