President Biden formally announced Thursday that the U.S. would be purchasing 500 million doses of Pfizer’s COVID-19 vaccine to donate to 100 countries over the next year. The announcement was made during the first full day of his overseas trip. CBS News chief White House correspondent Nancy Cordes joins CBSN’s Lana Zak to discuss. Source

Five of the leading Democratic candidates for mayor — Scott Stringer, Kathryn Garcia, Andrew Yang, Maya Wiley and Eric Adams — met Thursday in the final debate before early voting starts. CBS News reporter Adam Brewster joins CBSN’s Lana Zak with a look at the major themes of the night. Source

Five of the leading Democratic candidates for New York City mayor met on the debate stage Thursday night at the CBS Broadcast Center. WCBS reporter Marcia Kramer asked the candidates if they think guns should be taken away from police, and four of the candidates said no, with Maya Wiley said she was “not prepared” to answer that question at a debate. Source

The case marks the first conspiracy indictment filed against members of the Three Percenters, a anti-government extremist group. Source

As CBS News’ Omar Villafranca reports, the Labor Department says 376,000 Americans filed first-time unemployment claims last week — marking the lowest level since the pandemic began. But many businesses say they’re having trouble filling open position. Joe Minarik, senior vice president and director of research for the Committee for Economic Development, joins CBSN’s Lana Zak to discuss the new unemployment numbers and America’s continuing economic recovery. Source

Adams reversed course on Thursday and said he would be attending after all. Source

Florida Democratic Congresswoman Val Demings announced her bid for U.S. Senate, and will face off against Republican Senator Marco Rubio. Demings has held her position since 2015 and is a former police chief of Orlando. Jim DeFede, an investigative reporter and host of “Facing South Florida” at CBS Miami, joins CBSN’s “Red & Blue” to discuss the latest in the Sunshine State. Source

A new memoir is giving a behind-the-scenes look into George H.W. Bush’s life after serving as president. “The Man I Knew” was written by Jean Becker, who worked as chief of staff for the 41st president for more than two decades, and joins CBSN’s Lana Zak to discuss the life and legacy of the man she called a mentor and a friend. Source

During his first overseas trip, President Biden outlined a plan to donate 500 million COVID-19 vaccine doses to lower-income nations to help end the global pandemic. CBS News senior White House and political correspondent Ed O’Keefe, Washington Post deputy Washington editor Natalie Jennings, and Axios politics reporter Sarah Mucha join CBSN’s “Red & Blue” anchor Elaine Quijano with more on that, plus the new Atlantic Charter agreement and progress on a bipartisan infrastructure deal. Source

The FDA said it will extend the expiration date for Johnson & Johnson’s coronavirus vaccine by six weeks as many doses remain unused. Nikki Battiste has more. Source