Doug Mills, a photographer for the New York Times, talked about being on the campaign trail with the presidential candidates. He showed campaign photos of Senators McCain, Clinton, and Obama and explained how they are shot, edited, and sent to New York, often while the event he is covering is still going on. Video clips were shown of Mr. Mills covering Senator Hillary Clinton at a campaign rally in Hampton, New Hampshire. Mr. Mills also covers the White House and Capitol Hill. He showed some of his famous photographs of President Bush on September 11, 2001. He explained the difficulties of photographing some of graphic scenes he saw in the aftermath of Hurricane Katrina. Doug Mills has been shooting for the New York Times for six years. He is one of two full-time photographers in the Washington bureau. Prior to that he was a photographer for the Associated Press for 15 years. Viewers may find some images offensive.