 as one of our nation's greatest leaders heinrich is one of four senators and more than 30 house democrats to call for a change but the president's campaign is continuing to insist publicly that biden is the party's nominee and that he's not going anywhere campaign chair jen o'malley dylan told msnbc's morning joe that biden is in this race to win he and vice president harris are set to rejoin the campaign trail next week biden is currently isolating in delaware while he recovers from a reportedly mild case of covet 19.