To cover the Vietnam War, the Associated Press gathered an extraordinary group of superb photojournalists in its Saigon bureau, creating one of the great photographic legacies of the 20th century. Collected here are images that tell the story of the war that left a deep and lasting impression on American life. These are pictures that both recorded and made history, taken by unbelievably courageous photojournalists. In a moving essay, writer Pete Hamill,...