Former Colombian President Juan Manuel Santos, second from left, and Bulletin of the Atomic Scientists member Robert Socolow, second from right, reveal the Doomsday Clock, set at 89 seconds to midnight, as fellow members Herbert Lin, left, and Suzet McKinney, right, watch during a news conference at the United States Institute of Peace, Tuesday, Jan. 28, 2025, in Washington. (AP Photo/Mark Schiefelbein)