ROME — The Italian journalist who was wounded by American troops at a checkpoint in Baghdad shortly after she was released by her Iraqi captors denied U.S. allegations that the car she was in was speeding. In an article Sunday, she called her ordeal "the most dramatic day of my life." -snip- The U.S. military said the Americans used hand and arm signals, flashing white lights and fired warning shots to get the car to stop. But in an interview with Italian La 7 TV, Sgrena said "there was no bright light, no signal."