Why British PM Keir Starmer Resigned; Trump Ramps Up Threats on Iran

British Prime Minister Keir Starmer announced his resignation Monday morning, setting the stage for the U.K. to see its seventh leader in 10 years. NBC News International Correspondent Daniele Hamamdjian has more on what led to Starmer’s ouster — and who might replace him. Then, NBC News Chief International Correspondent Keir Simmons joins to explain whether President Donald Trump’s threats on Iranian leaders could derail progress in peace talks. Finally, NBC News Business and Data Correspondent Brian Cheung talks about the legacy of former Federal Reserve Chair Alan Greenspan, the economic giant who died at 100 years old. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.