Russia Welcomes Trump’s Blessing of Proposal to Extend Caps on Nuclear Weapons

President Trump said a Russian proposal to extend by one year the limits on long-range nuclear weapons sounded “like a good idea to me.”

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Kim Jong-un Leaves Beijing With Big Diplomatic Wins

Mr. Kim’s presence at a Chinese military parade was a sign of his growing geopolitical ​leverage and that North Korea was being accepted as a de facto nuclear power.

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European Nations Move to Restart Iran Sanctions Over Nuclear Program

Britain, France and Germany could trigger the reimposition of harsh penalties as the 2015 nuclear deal is soon to expire with nothing to replace it. More talks will follow.

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After Blocking U.N. Nuclear Watchdog, Iran Allows Inspectors to Return

Iran halted cooperation with the agency last month, as experts warned that Tehran may revive efforts to build a nuclear bomb.

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European Officials Press Iran on Nuclear Talks. Here’s What to Know.

Three European powers will meet with an Iranian minister to try to reopen negotiations over Iran’s nuclear activities and avoid reimposing harsh sanctions.

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Hiroshima’s Pacifist Cause Is Losing Believers

Eighty years after the atomic bombing, some Japanese think that peace for peace’s sake is no longer enough.

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How the Nuclear Attacks on Hiroshima and Nagasaki Changed Japan

The country’s postwar Constitution is under scrutiny as Japan rebuilds its military, spooked by a rising China and other potential threats.

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North Korea Says Kim’s Relations With Trump ‘Not Bad,’ but Stands Firm on Nukes

The country appeared to signal an openness to talks, but said it must be recognized as a nuclear power and would not discuss abandoning its arsenal.

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Iran Starts New Talks Today Over Its Nuclear Program. Here’s What to Know.

Three European powers will meet with an Iranian minister to try to reopen negotiations over the limits of its nuclear activities.

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Iran Says It Could Exit Nuclear Treaty if Europe Reimposes Sanctions

The warning from Iran’s deputy foreign minister came days before he is set to travel to Istanbul for nuclear talks with European counterparts.

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