Mark Benjamin, Salon.com's national correspondent and the reporter who first brought the abuses at Arlington National Cemetery to light, discusses how his year-long investigation culminated in both the firing of the top two officials at the cemetery as well as an ongoing Senate investigation. An Army investigation recently found gross negligence at the nation's most well-known cemetery—including over 6,000 misidentified graves, bodies interred on top of each other, and remains found in, what was assumed to be, an empty grave.