The morning of November 13, 1969, the presses rolled at the Chicago Sun-Times with an explosive front-page story: “Officer Charged With Murdering 109 in Viet.”

The shocking incident uncovered in the report would come to be known as the My Lai Massacre, in which soldiers of a U.S. Army platoon led by Lt. William Calley Jr. slaughtered hundreds of innocent Vietnamese men, women, children and babies at the height of the Vietnam War. The byline on the story: Seymour Hersh .

The riveting documentary Cover-Up , directed by Oscar winner Laura Poitras and Mark Obenhaus , explores the extraordinary career of Hersh, who is widely acknowledged as one of the greatest investigative journalists in American history (except perhaps by those whose misdeeds he has exposed). It premiered at the

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