UNITED NATIONS (Reuters) - Two Iranian nationals seen by a New York police officer photographing city landmarks were just tourists nearing the end of their stay in the United States, Iran's mission to the United Nations said on Friday."It was these two guys on Saturday, June 22, taking pictures of themselves in Battery Park" at the southern end of Manhattan, said Mohammad Hossein Nosrat, mission spokesman. The two, who work as security guards at the mission and do not have diplomatic immunity, took 1 minute 40 seconds of videotape of the park and environs, Nosrat said. At that point, a...