Michael Crowley

Plus, Stephen Colbert’s last show.

As a senator, Marco Rubio even hinted at the need for regime change in China. Now he talks about cooperation.

Amid stepped-up surveillance flights, a visit of the C.I.A. director and an energy embargo, the White House is trying to increase pressure on Cuba.

John Ratcliffe, the C.I.A. director, is the highest-ranking official in the Trump administration to visit the country.

Saudi Arabia’s refusal of support suggests that President Trump’s unpredictable approach to Iran has strained ties with one of his closest allies in the Middle East.

Founders of the Ben Franklin Fellowship are trying to dismantle pro-diversity practices in the agency and to boost career diplomats who promote President Trump’s ideas.

President Trump has outsourced much of his diplomacy to others, while Mr. Rubio focuses on his second job as national security adviser.

President Trump has ridiculed President Barack Obama and the agreement, which he withdrew from during his first term. His critics say he could have avoided a war had he left it in place.

Iranian leaders fear being burned again by President Trump, who tore up a nuclear agreement reached during the Obama administration after lengthy negotiations.

Little is known about Pickaxe Mountain, but some experts say it illustrates the impossibility of relying on force alone to prevent Iran from acquiring a nuclear bomb.

The gathering ended with encouraging words, even as Israel continued to refuse to halt its military campaign against Iran-backed Hezbollah in Lebanon.

American destroyers began work to make the strait safe for commercial traffic, U.S. officials said, as negotiators discussed conditions for an extended cease-fire. Iran denied that any warships had...

President Trump’s cease-fire with Iran appears at risk as Vice President JD Vance heads to Pakistan for discussions with Iranian officials.

Fractures were already emerging in the limited cease-fire. Vice President JD Vance will lead a U.S. delegation in talks this weekend.

A jumble of emissaries — a friend, a family member, a dove and a hawk — on the Iran crisis reflects President Trump’s improvisational approach.

Moscow may be challenging President Trump’s effort to choke Cuba’s economy. China also has suspected listening posts on the island.

Unleashing his inner hawk, Secretary of State Marco Rubio plans President Trump’s military interventions. So far, they favor regime compliance, not change.

President Trump is beginning to consider what sort of Iranian government might come next, as the U.S.-Israeli assault continues.

President Trump’s envoys negotiated with Iran over its nuclear program. But Mr. Trump and Prime Minister Benjamin Netanyahu of Israel wanted much more.

The Trump administration is signaling a different approach, after demanding an end to Cuba’s communist leadership.