What to know about Rubio’s meeting with Gulf nations and Iran negotiations

United States Secretary of State Marco Rubio is on a sales trip, looking to get Gulf nations on board with the US-Iran agreement to end the war. Technical talks with Iran are set to move ahead, Rubio said, but the fate of Iran’s nuclear program has emerged a clear obstacle to achieving a long-term ceasefire deal.

Closer to home, US President Donald Trump met with NATO Secretary General Mark Rutte in the Oval Office ahead of a summit with the alliance in two weeks.

If you’re just reading in, here’s what to know:

CNN’s John Towfighi, Jennifer Hansler, Avery Schmitz, Kevin Liptak, Nadeen Ebrahim, Annie Grayer, Michael Rios, Charbel Mallo, Dana Karni and Sana Noor Haq contributed reporting to this post.