March 19 — Sens. Elizabeth Warren and Mike Rounds

President Trump vows the U.S. will hit Iran “hard” after accusing the country of downing an American helicopter. Steve Kornacki breaks down the latest primary results from across the country. House Oversight Committee member Rep. James Walkinshaw (D-Va.) shares what Bill Gates told Congress during his testimony regarding the Epstein files.

Voters head to the polls in key primary races, including in Maine where Graham Platner (D) is looking to secure the Democratic nomination for Senate despite recent scandals. President Trump accuses Iran of shooting down a U.S. helicopter near the Strait of Hormuz. Michigan Lieutenant Governor Garlin Gilchrist (D) joins Meet the Press NOW to discuss his campaign for secretary of state.

President Trump and Israeli Prime Minister Benjamin Netanyahu hold a phone call after Israel and Iran trade strikes for the first time since April’s ceasefire. President Trump abruptly ends NBC's "Meet the Press" interview after being challenged on his California election fraud claims. Maine voters weigh Democratic Senate candidate Graham Platner’s controversial past ahead of Tuesday’s closely watched primary.

Kristen Welker sits down exclusively with President Donald Trump to talk about the economy, the war with Iran and the path to peace. Ashley Etienne, Marc Short and Carol Lee join the roundtable.

Republican lawmakers grapple with how to push back against Trump’s priorities as the president visits Wisconsin. Rep. Debbie Dingell (D-Mich.) joins Meet the Press NOW as House Democrats rebuke Trump’s foreign policy agenda on Ukraine and Iran. NBC News reporter Jared Perlo discusses Trump’s new executive order on AI as Anthropic warns the industry should “pause” its rapid development of AI models.