The federal prosecutor overseeing the Hunter Biden probe on Friday doubled down on his insistence that he had ‘ultimate authority’ over the Justice Department’s Hunter Biden investigation. In a letter to House Judiciary Committee Chairman Jim Jordan, obtained by The Post, US Attorney for the District of Delaware David Weiss maintained that he was being truthful in a June 7 missive to the Ohio Republican when he wrote that he was in charge of “deciding where, when, and whether to file charges” against President Biden’s son. “I stand by what I wrote,” Weiss told Jordan in Friday’s letter. “At the...