DHS chief’s early missteps and an AI-generated version of ‘The Odyssey’: Morning Rundown

Morning RundownDHS chief’s early missteps and an AI-generated version of ‘The Odyssey’: Morning RundownPlus, the Secret Service said it has opened over 10,000 investigations into threats on its protectees so far this year, a 40% increase from the same time last year.Listen to this article with a free profile00:0000:00ShareAdd NBC News to GoogleJuly 23, 2026, 6:59 AM EDTBy Elizabeth Robinson, Delia Sara Rangel, Josh Feldman and Daniela SuarezTension is brewing between the White House and Homeland Security Secretary Markwayne Mullin, sources say. The Secret Service is seeing a drastic increase in threats to the people it protects. Plus, how “The Odyssey” is helping reshape the moviegoing experience.Subscribe to read this story ad-freeGet unlimited access to ad-free articles and exclusive content.Here’s what to know today.Tension between Markwayne Mullin and White House appears to be growing, sources sayHomeland Security Secretary Markwayne Mullin speaks in Washington on July 17. Jim Lo Scalzo / Bloomberg via Getty ImagesThere appears to be a growing tension between Homeland Security Secretary Markwayne Mullin and the White House after some early missteps, according to a senior Trump administration official and a senior Department of Homeland Security official.This is Morning Rundown, a weekday newsletter to start your day. Sign up here to get it in your inbox.These include last week’s call for ICE officers to temporarily pause vehicle stops and concerns about his choice to lead the immigration enforcement agency, the officials said.Mullin, the former Oklahoma senator who is only four months into his role, was brought in to lead a department at the forefront of President Donald Trump’s signature domestic policy — immigration — and as the administration is trying to reboot its mass deportation effort. One supposed misstep happened last week, with Mullin’s order temporarily suspending vehicle traffic stops after two fatal shootings by ICE officers in Houston and Maine. T...