UNITED NATIONS — The United States and Japan are sponsoring a U.N. Security Council resolution calling on all nations not to deploy or develop nuclear weapons in space, the U.S. ambassador announced Monday.Linda Thomas-Greenfield told a U.N. Security Council meeting that “any placement of nuclear weapons into orbit around the Earth would be unprecedented, dangerous, and unacceptable.”The announcement that the U.S. and Japan had circulated a resolution follows White House confirmation…