Hunter Biden's former best friend and business partner who is set to give Congress bombshell evidence against the Biden family is now 'in hiding' after receiving 'threats', a source close to him told DailyMail.com. Devon Archer, 49, has been forced to flee both his Long Island and Brooklyn homes, he told friends – but still plans to testify to the House Oversight Committee on Monday. Archer partnered with Hunter on multiple shady overseas deals, and was subpoenaed by the committee in June to testify. A source close to Archer confirmed reports that he is set to testify about meetings he...