Jackie Northam

Brexit could mean the U.S. is losing its best friend and strongest influence in the European Union. NPR explores whether the U.S. will forge a new "special relationship" with Germany.

Secretary of State John Kerry reiterated in London on Monday that the U.S. could not find "a better friend and ally" than the U.K. But the relationship is bound to change.

On paper, there's a tangled legal process, but it has never been tested and leaves some issues unaddressed.

The Chicago-based aircraft manufacturer is the first major U.S. company to do business in Iran since sanctions were lifted earlier this year as part of the international nuclear accord.

The U.S. is halfway through its 2-year chairmanship of the Arctic Council. It's a high-level forum for 8 nations with Arctic territory, and one of the few areas where the U.S. and Russia cooperate.

The father of Omar Mateen, the Orlando, Fla., shooter, says his son was a good man. For years, Afghan-born Seddique Mateen ran a satellite television show where he railed against Pakistan and the government in Kabul.

Iran is on track to restore oil production and exports to pre-sanction levels, surprising many analysts. It's one of the areas where Iran has benefited from the nuclear deal it made with world powers.

Although Syngenta is a Swiss company, it does more than a quarter of its business in the U.S. So the U.S. government is reviewing whether the sale will be a threat to national security.

In response to China's moves in the South China Sea, the U.S. has tightened security ties and boosted its military presence in the region. Now Vietnam can host regular visits by U.S. military units.

The U.S. arms embargo has been lifted and Vietnam will have access to cutting edge weapons and military technology from the United States. But it may still be a while before any sales take place.

Chinese investors are on a buying spree in the U.S., moving their operations here or snapping up American companies. Investment is on track to hit $30 billion this year, doubling last year's record.

More airstrikes. More kidnappings. How will the medical aid group protect its workers, patients and hospitals in a more threatening world?

Forty years ago, North Korean agents abducted 13-year-old Megumi Yokota from Japan. Pyongyang claimed in 2002 that she was dead. But her family says she's alive. They're seeking U.S. help to find her.

The Syrian rescue worker reached Dulles International Airport on his way to accept an award in Washington. But he was turned back, highlighting the suspicion Syrians face as they travel.

Boeing officials were in Iran exploring the first sale of airliners there in decades. The nuclear deal allows such sales but remaining sanctions and Iranian missile tests could cloud their chances.

The Obama administration is concerned that Iran hasn't received the economic boost it expected from the nuclear deal. It's trying to help foreign companies work through the remaining sanctions.

The 35-room limestone mansion is so decrepit that there have been calls for its demolition. Prime Minister Justin Trudeau refuses to live there. The big question: What to do with the place?

Trudeau has been called "dashing," hip and a #hottie. President Obama will host him at a state dinner Thursday, the first time the White House has welcomed a Canadian leader in nearly 20 years.

Canada is nearing its goal to integrate 25,000 refugees by the end of the month. More than 20,000 have been welcomed since mid-December. Private citizens are helping to carry the load.

The lifting of sanctions allows Boeing to sell planes to Iran. But Iran, which still flies Boeing planes bought before the 1979 revolution, just announced a major deal with Airbus.