Nov. 6 (UPI) --President Donald Trump's calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain.

Editor's note: Este artículo está traducido al español. U.S. Sen. Jacky Rosen, D-Nev., isn’t buying the Trump administration’s clarification of the president’s nuclear testing comments. Energy ...