EXCLUSIVE: President Joe Biden was allegedly paid $5 million by an executive of the Ukrainian natural gas firm Burisma Holdings, where his son Hunter Biden sat on the board, a confidential human source told the FBI during a June 2020 interview, sources familiar told Fox News Digital. The sources briefed Fox News Digital on the contents of the FBI-generated FD-1023 form alleging a criminal bribery scheme between then-Vice President Joe Biden and a foreign national that involved influence over U.S. policy decisions. The FD-1023 form, dated June 30, 2020, is the FBI's interview with a "highly credible" confidential source who...