WASHINGTON (AP) -- Even as prosecutors build a case against the Army private suspected of passing hundreds of thousands of diplomatic cables to WikiLeaks, the State Department is promoting a documentary film that celebrates Pentagon Papers leaker Daniel Ellsberg. Amid its struggle to contain damage from the WikiLeaks revelations, the State Department announced Saturday that "The Most Dangerous Man in America: Daniel Ellsberg and the Pentagon Papers" has been selected as one of 18 films that will tour the world this year as part of its "American Documentary Showcase" program. Ellsberg, whom the film portrays as a whistleblower of conscience,...