HOT SHOT: Applauded by a group of American and French retailers, Marvin Traub, the former chairman of Bloomingdale’s, launched his Assouline book, “Like No Other Career,” at the American embassy here Thursday night. After being introduced by ambassador Craig Stapleton, Traub contrasted the conditions of his first visit to France with the magnanimity of the embassy reception, attended by the likes of Jean Bousquet of Cacharel, Philippe Houze of Galeries Lafayette, Saks Fifth Avenue chief Steve Sadove and Jim Gold of Bergdorf Goodman. Traub recalled landing at Utah Beach in 1944 and later was shot in the leg at Metz by a German sniper. Traub explained that the mayor of Metz discovered some years ago that he’d been shot in the town and invited Traub to visit. “The mayor said he was honored to discover I’d been shot in Metz,” laughed Traub, who visited the exact spot of his misadventure. The mayor decorated Traub for his valor. “There was nothing I would rather do than launch [the book] in the American embassy [in Paris],” said Traub.