Michele Kelemen

Bolton takes the job as two major foreign policy challenges come to a head, in North Korea and Iran. He replaces H.R. McMaster, becoming the third man to hold the position under President Trump.

Unlike Rex Tillerson, a secretive former oil executive, Mike Pompeo's views of the world are much clearer. He's been a hawk on Iran and his views of Muslims have raised alarms. If he is confirmed as secretary of state, world leaders will have to adjust.

President Trump has ousted Secretary of State Rex Tillerson, and nominated CIA Director Mike Pompeo to replace him. Trump also nominated CIA veteran Gina Haspel to lead the agency, replacing Pompeo.

As President Trump accepts North Korean leader Kim Jong Un's invitation to meet him, questions remain about whether the State Department has enough experts on hand to engage in serious negotiations with North Korea over its nuclear and missile programs.

North Korea's leader has asked President Trump to meet him to talk about denuclearization — and Trump has said yes. All of this comes from South Korea's national security chief, who met separately with both leaders.

Secretary of State Rex Tillerson heads to Africa and into some political crises in Ethiopia and Kenya. Security and counterterrorism will be high on his agenda in Djibouti, Chad and Nigeria.

North and South Korea have agreed to a summit meeting next month. President Trump says it may be a false hope, but that the U.S. is willing to go.

The State Department's point person on North Korea is the latest official to leave after a long career in diplomacy. Experts see Joseph Yun's departure as a major setback in efforts to find a diplomatic way out of the crisis over North Korea's nuclear program.

The Trump administration is trying to make it harder for North Korea to evade sanctions. It is putting the world on notice to look out for "deceptive shipping practices."

The United Nations Secretary General António Guterres says that 400,000 Syrians are living in hell on earth in a suburb of Damascus. But what will the U.N. Security Council do about it?

Palestinian Authority President Mahmoud Abbas, angry over the Trump administration's recognition of Jerusalem as Israel's capital, wants other countries to lead peace efforts now. He is making his case to the U.N. Security Council.

The world's newest nation, South Sudan, is teetering on the brink of famine in the midst of a civil conflict. The man who runs the United Nations mission there came to Washington, D.C., hoping for continued U.S. help to put the country back on track.

NPR spoke to the director of U.N. relief operations in the West Bank about how he makes the case for America's continued assistance in the region.

Baquer Namazi, an 81-year-old Iranian-American, was sent back to jail in Iran, despite his declining health. A family lawyer says the move is tantamount to a death sentence.

The White House's withdrawal of Victor Cha as a candidate for ambassador to South Korea comes as an apparent result of differing views on the idea of using a preemptive strike against North Korea.

The list of Russians drawn up as part of a sanctions package signed into law last year is not acceptable, according to Senate Democrats who are sharply critical of the Trump administration move.

The Trump administration has told Congress a law passed last year meant to punish Moscow for interfering in U.S. elections is having an effect, even without new sanctions.

President Trump has been cutting budgets for foreign aid and that means the man in charge of U.S. development work around the world has a tough selling job with his own government. But how is the Trump administration's aid agency is faring?

Raqqa was once an ISIS stronghold, but Syrian rebels — backed by a U.S. air campaign — pushed ISIS out last year. Before residents can move back, landmines and booby traps must be dealt with.

The Trump administration has made clear in recent weeks that it intends to maintain a U.S. presence in Syria even though the government of Syria doesn't want that. From Raqqa, a look at how people in the city are putting their lives back together and what the U.S. is doing.