The Biden administration this week signaled that it is eyeing a United Nations small arms treaty that critics claim will lead to an international gun registration plan — including for individual American gun owners. Two years after former President Donald Trump withdrew from it, a top arms diplomat at the State Department told the global body that the current administration is swinging behind the Arms Trade Treaty. “I have come from Washington, D.C., this week to take the floor on the agenda item Treaty Universalization to underscore the continuing commitment of the United States to responsible international trade in conventional...