Jerusalem has been contested for millennia and its status remains unresolved to this day. Here are some key things to understand about the disputed city.
The White House says President Trump will announce his decision on the embassy's location in the coming days. Key Arab and Muslim allies of the U.S. warn such a move could spark anger — or violence.
In the 1970s, Sweden shipped Volvos to North Korea as part of an ill-fated trade deal. North Korea never paid for the cars. But Sweden remains an important Western diplomatic presence in Pyongyang.
University of Virginia historians say tumult isn't unexpected in the first year of a new administration. But there are questions about whether the Trump administration is prepared to handle crises.
For years, Jason Greenblatt was chief legal officer at the Trump Organization. Now his job is to help bring peace to the Middle East. His closeness to Trump may help, but it's no guarantee of success.
"When you're not doing business, he is a very pleasant person to deal with," says a former Obama administration official. Otherwise, "he's a tough Russian negotiator, deeply suspicious of the U.S."
The president's tweets are complicating the work of U.S. diplomats. Some are distancing themselves via their own tweets. They're "entitled to use social media," says the State Department spokeswoman.
The secretary of state is meeting with G-7 diplomats, then heading to Moscow on Tuesday for some rather tough discussions. All the while, the U.S. strike on Syria is likely to be Item 1 on the agenda.
Jeff Sessions, now attorney general, met twice last year with Sergey Kislyak, Russia's U.S. ambassador. This has raised more questions about contacts between the Trump campaign and Russian officials.
Daniel Fried, who retired Friday from the State Department, helped shape U.S. policy in Europe over a 40-year career. "I learned never to underestimate the possibility of change," he told colleagues.