Biden to appear with Kennedy family for endorsements, as battle heats up with RFK Jr. over family legacy

​ President Joe Biden will receive the formal endorsement of more than a dozen members of the extended Kennedy family on Thursday, according to the Biden campaign, aiming to harness the legacy of a storied Democratic family while implicitly underscoring their near-universal rejection of a third-party challenge mounted by one of their own, Robert F. Kennedy Jr. Read More Breaking News, Latest News and Videos | CNN