Hunter Biden, the younger son of Vice President Joe Biden, will be joining Ukraine’s largest private gas producer, the company announced in a statement. “The company’s strategy is aimed at the strongest concentration of professional staff and the introduction of best corporate practices, and we’re delighted that Mr. Biden is joining us to help us achieve these goals,” Alan Apter, Burisma Holdings’ chairman of the board of directors, said in a statement, which was reported by The Moscow Times on Tuesday. Biden, joining the board, will be in charge of the legal unit, the company said and will provide support...