The potential for House Democrats to remove their support for a nuclear triad and uncertainty surrounding how the Trump administration will proceed on arms control agreements are among the top issues threatening a "fragile" consensus on nuclear security, according to former diplomats and defense officials. President Trump has largely carried forward programs started under the Obama administration to recapitalize U.S. nuclear forces, including bombers, intercontinental ballistic missiles, nuclear submarines and air-launched cruise missiles. But Trump's 2018 Nuclear Posture Review also...
