Some Democrats start calling for Biden to step aside and 'throw in the towel' on 2024 NBC News Top Stories By: Jonathan Allen and Megan Lebowitz and Peter Nicholas and Vaughn Hillyard and Ali Vitali and Henry J. Gomez and Hallie Jackson and Katherine Doyle 28 June 2024 at 01:20 Some Democrats began calling for President Joe Biden to step aside so the party can nominate another candidate after he stumbled badly in Thursday's debate against his Republican rival, former President Donald Trump.