After a bombastic hearing with Hunter Biden's business partners, House impeachment investigators are dramatically pivoting to allegations of a possible coverup in the first son's criminal tax case as the inquiry transitions to a new phase. On Thursday, the House Judiciary Committee sued the Justice Department seeking to force two attorneys there to comply with subpoenas and testify about whether there was any political interference in Hunter Biden's tax prosecution. A few hours later, that committee joined with the House Oversight Committee to release a letter to CIA Director William Burns that revealed impeachment investigators have a whistleblower who alleges...