Russia, Putin and nuclear tests
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Nuclear safety expert Edwin Lyman of the Union of Concerned Scientists warned of a "hype bubble that is driving unrealistic expectations" in the sector. Lyman was doubtful that deregulation was the key to advancing nuclear productivity in the U.S.
Vladimir Putin has cautioned that the collapse of the final US-Russia agreement restricting nuclear arsenals could spark an arms race. Meanwhile, reports suggest that Russia's top military leadership is in complete chaos, with whispers of a looming purge ...
President Trump hosted NATO Secretary General Mark Rutte at the White House on Wednesday to discuss what's next for Ukraine. CBS News White House reporter Aaron Navarro has more details.