If you've ever spent any time on a college campus, chances are you've encountered a group of maybe-students with makeshift signs and ink-smeared pamphlets urging that you "Free Mumia." And if you bothered to grab a pamphlet or engage one of these activists, you would have discovered that "Mumia" is Mumia Abu-Jamal, who was convicted of the fairly brutal 1981 shooting death of 25-year-old Philadelphia police officer Daniel Faulkner. Abu-Jamal has always claimed that he is innocent, and in the nearly thirty years since his conviction, his banner has been taken up by an array of frequent bedfellows: assorted civil rights groups, low-wattage celebrities, slices of the international community [...]