In the 1960s he exhorted students at Columbia University to burn their college to the ground. Today he's chair of their School of the Arts film division. Jamal Joseph's personal odyssey--from the streets of Harlem to Riker's Island and Leavenworth to the halls of Columbia--is as gripping as it is inspiring.Eddie Joseph was a high school honor student, slated to graduate early and begin college. But this was the late 1960s in Bronx's black ghetto,...