In a wide-ranging interview with the CBS News partner BBC News late on Friday, Hunter Biden grew emotional as he discussed his father's condition, describing it as very sad to watch. The former president revealed his cancer diagnosis in May of last year, less than four months after he left the White House. Hunter Biden said the diagnosis had been tough on the family. "It's really sad to watch," Hunter Biden said. But Hunter Biden said his father remains "out there," speaking publicly about the issues that are important to him.