A Smithsonian museum has delayed the opening of an exhibition that includes photographs taken after the 1945 U.S. atomic bombings of Hiroshima and Nagasaki to 2026 instead of this year as initially scheduled, an official said Friday, citing time constraints.The exhibition "World War II in the Air" at the National Air and Space Museum in Washington was expected to coincide with the 80th anniversary of the end of the war. But the museum is undergoing a multiyear renovation that has fallen behind schedule, leading to the exhibition's postponement, according to the official.The museum, one of t…READ FULL ARTICLE