Nikki Haley makes a major push in her home state of South Carolina. New revelations suggest Boeing could be at fault for a door plug blowout on a 737 MAX plane. And a man on Alabama's death row is set to be executed using nitrogen gas. Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter. Today's episode of Up First was edited by Megan Pratz, Rusell Lewis, Barrie Hardymon and Olivia Hampton. It was produced by Ziad Buchh, Ben Abrams and Kaity Kline. We get engineering support from Arthur Laurent. And our technical director is Zac Coleman. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy

The New Hampshire primary takes place today, with the Republican field essentially reduced to two presidential candidates: Donald Trump and Nikki Haley. Twenty-one soldiers are killed near the border with Gaza in the Israeli military's deadliest incident since the start of the war. And the parents of a teen who opened fire at his suburban Detroit high school in 2021 face trial over their criminal responsibility for having purchased the semi-automatic handgun he used to kill four. Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter. Today's episode of Up First was edited by Megan Pratz, Gerry Holmes, Cheryl Corley and Olivia Hampton.It was produced by Ziad Buchh, Ben Abrams and Kaity Kline. We get engineering support from Stacey Abbott. And our technical director is Zac Coleman. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy