Review: ‘MLK/FBI’ probes ‘the darkest part’ of the bureau’s history

The government-sanctioned harassment of Martin Luther King Jr. provides the chilling spine of "MLK/FBI," a documentary timed to the annual holiday for the civil rights icon. Director Sam Pollard's film also raises an interesting question -- namely, what historians and journalists owe King's legacy in terms of releasing material amassed specifically in an effort to sully his name.