Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will serve as interim national security adviser.

Earlier this week, President Trump said the war with Iran will end, quote, "very soon." After that, Defense Secretary Pete Hegseth reiterated that President Trump will decide when the mission is accomplished. But the administration has never been clear on ...

National Security Adviser Wi Sung-lac said Friday the passage of ships through the Strait of Hormuz still remains largely blocked despite a two-week ceasefire between the United States and Iran.

Let's take a step back and have a conversation about this with someone who has experience with conflict and diplomacy in the region. Jake Sullivan served as former President Joe Biden's national security adviser. He also worked on negotiations with Iran ...