When President-elect Joe Biden is sworn into office, he'll have 16 days to work with Russian President Vladimir Putin to save the last arms control treaty limiting U.S. and Russian nuclear arsenals.
The two-minute warning that had held over the past two years has now shrunk to 100 seconds before midnight on the Doomsday Clock set by the Bulletin of the Atomic Scientists.
The U.S. tested similar concepts in the 1960s but abandoned them over concerns of radioactive contamination. Russia's claim seems so fantastic that some analysts didn't believe initial reports.
A U.S. general says Russia has violated a longstanding arms control treaty by deploying new missiles. It was the first official, public assertion that these missiles are fully operational.
