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The Trump administration on Monday nominated Marshall Billingslea, the former Treasury Department antiterrorism official nominally in charge of nuclear arms control negotiations, as undersecretary of state for arms control and international security. Billingslea, as special presidential envoy for arms control, is already the point person for the White House’s more-or-nothing attempt to secure a trilateral nuclear arms control deal covering the United States, Russia, and China. Such an accord, if the White House has its way, would replace the expiring…
