The Dangerous Stalemate Over Iran’s Nuclear Program

With no negotiations, no oversight and no clarity about Iran’s stock of nuclear material, many in the region fear another war with Israel is inevitable.

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In a Looming Nuclear Arms Race, Aging Los Alamos Faces a Major Test

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work disruptions and old infrastructure.

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Burevestnik Nuclear Missile Tests Successful, Russia Says

Because of its power source, the Burevestnik can remain airborne far longer than other nuclear-armed missiles.

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With Trump’s Asia Trip, Speculation Mounts of a Meeting With Kim Jong-un

President Trump has repeatedly said that he wants to see the North Korean leader again. Mr. Kim has indicated that he is open to the idea — but only under a strict condition.

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Israel and Hamas Were Not Ready for a Comprehensive Peace Deal, Mediator Says

The Qatari prime minister told The New York Times that Gaza war mediators decided to delay talks on more difficult issues so a hostage-prisoner swap could be concluded quickly.

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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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