SANTA MONICA, California, June 12 -- RAND issued the following commentary: Trump administration officials are reported to have recently discussed conducting a nuclear test, breaking a moratorium the United States has observed since 1992. Such a move is not necessary to ensure the continued reliability of the U.S. nuclear arsenal. It could also increase threats to U.S. and allied security by giving a green light to other countries, including dangerous proliferators, to conduct nuclear tests of t more PR