The world may never know the truth about George W. Bush’s National Guard experience. But in an explosive story for Texas Monthly, New York contributing editor Joe Hagan digs deeper into the muck than ever before. “My dad looked at me and said, ‘I signed off on Bentsen’s son going into the Guard, and I signed off on Bush’s son going into the Guard,” the son of the former head of the Texas Air National Guard reveals for the first time.