(Reuters) - U.S. celebrity chef Anthony Bourdain, host of CNN’s food-and-travel-focused “Parts Unknown” television series, killed himself in a French hotel room, CNN said on Friday, in the second high-profile suicide of a U.S. celebrity this week. He was 61. Bourdain, whose career catapulted him from cooking at New York’s top restaurants to dining in Vietnam with President Barack Obama, was found dead in a hotel room in Strasbourg, France, where he had been working on an upcoming episode of his program, CNN said in a statement. His death comes three days after American designer Kate Spade, who built a...