 In ZN News, I'm Kyle Nashon. President Biden announced Sunday he is dropping out of the 2024 presidential race, becoming the first incumbent president in over 50 years to decline to seek a second term. Amid mounting calls, including from Democrats not to seek reelection, Mr. Biden said in a letter that it's in the best interest of my party and the country for me to stand down. Sources tell CBS News that delegates and party leaders are being told the Democratic roll call vote is expected to take place on August 1st. CBS News Chief White House Correspondent Nancy Cordes has more.