US to loosen nuclear weapons constraints and develop more 'usable' warheads

New proposal is significantly more hawkish than Obama-era policy Critics call development of new weapons ‘dangerous, Cold War thinking’
The Trump administration plans to loosen constraints on the use of nuclear weapons and develop a new low-yield nuclear warhead for US Trident missiles, according to a former official who has seen the most recent draft of a policy review.
Jon Wolfsthal, who was special assistant to Barack Obama on arms control and nonproliferation, said the new nuclea