Welcome, Your AccountLog OutBy ERIC TUCKER and MICHAEL BALSAMO WILMINGTON, Delaware -- President-elect Joe Biden's son Hunter said Wednesday that his "tax affairs" are under federal investigation, putting a renewed spotlight on the questions about his financial dealings that dogged his father's campaign.In a statement released by the president-elect's transition office, the younger Biden said he learned about the investigation on Tuesday. He did not disclose details of the matter."I take this matter very seriously but I am confident that a professional and objective review of these matters...…Welcome, Your AccountLog OutBy ERIC TUCKER and MICHAEL BALSAMO WILMINGTON, Delaware -- President-elect Joe Biden's son Hunter said Wednesday that his "tax affairs" are under federal investigation, putting a renewed spotlight on the questions about his financial dealings that dogged his father's campaign.In a statement released by the president-elect's transition office, the younger Biden said he learned about the investigation on Tuesday. He did not disclose details of the matter."I take this matter very seriously but I am confident that a professional and objective review of these matters...WW…