NEW YORK (Reuters) - The U.S. Ambassador to the United Nations John Bolton said on Wednesday the way India and Pakistan had obtained nuclear arms was legitimate, in contrast to Iran which he accused of pursuing atomic weapons in violation of its international undertakings. While Iran is seeking to conceal development of nuclear weapons under the guise of a legitimate program to generate nuclear power, Bolton said, India and Pakistan "did it legitimately." His comments, made in response to an audience question following a speech to a meeting of the World Jewish Congress, appeared to go farther than the administration...