Former U.S. President Joe Biden’s prostate cancer has spread to other parts of his body and is causing him pain, even as he continues to speak out on public issuesHunter Biden says his father's prostate cancer is causing him pain even as he continues to speak outFILE - Hunter Biden listens while his father, President Joe Biden, speaks during a Hanukkah reception in the East Room of the White House in Washington, Dec. 16, 2024. (AP Photo/Rod Lamkey, Jr., File)FILE - Hunter Biden listens while his father, President Joe Biden, speaks during a Hanukkah reception in the East Room of the White House in Washington, Dec. 16, 2024. (AP Photo/Rod Lamkey, Jr., File)FILE - Hunter Biden listens while his father, President Joe Biden, speaks during a Hanukkah reception in the East Room of the White House in Washington, Dec. 16, 2024. In a wide-ranging interview with the BBC broadcast late Friday, Hunter Biden grew emotional as he discussed his father’s condition, describing it as very sad to watch. Hunter Biden said the diagnosis had been tough on the family.