The United States is examining its "declaratory policy" on the use of nuclear arms under President Joe Biden's commitment to seeking to reduce the role of such weaponry, the State Department's top arms control official Bonnie Jenkins said recently.Her remarks came as focus is increasing on whether the Biden administration will declare the "sole purpose" of U.S. nuclear forces is to deter or respond to nuclear attacks in its upcoming nuclear posture review, a guideline for American nuclear policy for the coming years.But any moves that can be seen as reducing the current ambiguity in U.S. nu…READ FULL ARTICLE