Robert F. Kennedy Jr. in the New Hampshire Capitol in Concord during his 2023 run for the White House. (Sophie Park for WSJ) Robert F. Kennedy Jr., the nephew of the late President John F.

Supporters of Robert F. Kennedy Jr. in Chicago. (Gabriella Demczuk for WSJ) Robert F. Kennedy Jr.’s running mate, Nicole Shanahan, said the two might drop their independent bid for president and ...