(Reuters) -The United States Embassy in Moscow on Wednesday received a list of its diplomats that were declared “persona non grata”, a State Department spokesperson said, in what Russian media said was a reponse to a U.S. move ousting Russian staff at the United Nations. Washington last month said it was expelling 12 Russian diplomats at the country’s U.N. mission in New York over national security concerns, and later announced it would oust an additional Russian at the U.N. who it said was a spy. Russia, which denies the allegations, told the United States on Wednesday it would throw out an u…