Russia ends US nuclear security alliance

The private diplomatic meetings took place over two days in mid-December in a hotel overlooking Moscow’s Red Square.

But unlike in previous such gatherings, the sense of camaraderie, even brotherhood, was overshadowed by an uncomfortable chill, according to participants.

In the previously undisclosed discussions, the Russians informed the Americans that they were refusing any more US help protecting their largest stockpiles of weapons-grade uranium and plutonium from being stolen or sold on the black market.

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