Michael Moore called him a deserter. Democratic National Committee Chairman Terrence McAuliffe called him AWOL. The controversy over a one-year gap in President Bush’s military service has come under fresh scrutiny in recent weeks. We speak with the Boston Globe’s Walter Robinson who first exposed the story in 2000 when he revealed that Bush’s National Guard records indicate he failed to perform a year of service from 1972 to 1973. [Includes transcript]