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In the age of the camera phone, everyone is a potential photojournalist. But when the best news photos are chosen every year, professional shots always carry the greatest emotional impact. The documentary Deadline Every Second: On Assignment with 12 Associated Press Photojournalists follows 12 AP photographers as they gather images on assignments that take them to battle zones in Afghanistan, protests in Israel, terrorist attacks in Pakistan, wildfires in California, the Tour de France, and the events of Sept. 11 in New York City. Director Ken Kobré—who will host a discussion after the screening—shows these men and women working under pressure to capture the perfect shot that will sum up a newsworthy event, often while their own lives are threatened. That danger can affect amateur news gatherers, too, but as bullets whiz by, they’re not fiddling with aperture, focus, and lighting on their cell phones.

The film shows at 7 p.m. at the Corcoran Gallery of Art, 500 17th St. NW. $12. corcoran.org. (202) 639-1700.