Independent presidential candidate Robert F. Kennedy Jr. waves to supporters during a campaign event, Saturday, April 13, 2024, in West Des Moines, Iowa. (AP Photo/Charlie Neibergall)
Independent presidential candidate Robert F. Kennedy Jr. speaks to supporters during a campaign event, Saturday, April 13, 2024, in West Des Moines, Iowa. (AP Photo/Charlie Neibergall)
President Joe Biden, second from right, and members of the Kennedy family including Maxwell Kennedy Sr., from left, Kerry Kennedy and Christopher Kennedy walk on stage at a campaign event, Thursday, April 18, 2024, in Philadelphia. (AP Photo/Alex Brandon)
President Joe Biden salutes during a campaign event in Philadelphia, Thursday, April 18, 2024, with members of the Kennedy family. (AP Photo/Matt Rourke)