Robert F. Kennedy Jr. Campaign Buttons starting at $3.00. Welcome to the Robert F. Kennedy Jr. campaign buttons section on campaignbuttons-etc.com. Pictured here are campaign buttons for Kennedy's 2024 Independent presidential run for the White House. Kennedy , the son of the late Senator Robert F. Kennedy of New York , has had a long career as a environmental lawyer and activist. Be sure to check back as more Robert F. Kennedy Jr. 2024 campaign buttons are added!