Caroline Kennedy, the only surviving child of former US President John F. Kennedy and Jacqueline Kennedy Onassis, has led an extraordinary life shaped by privilege, tragedy, and dedication to public service.

Following Caroline Kennedy's scathing letter against cousin Robert F. Kennedy Jr. less than 24 hours before his first confirmation hearing for health and human services secretary, a Kennedy family insider says the Kennedy family is "in tatters" amid the "unprecedented" public conflict — especially considering Caroline almost never speaks publicly.