The mass of conflicting evidence released by prosecutors fed heated arguments about how and why Officer Darren Wilson killed Michael Brown last August in Ferguson, Missouri. That has sparked a broader debate about equal access to justice for black Americans. On this Martin Luther King Day, we are re-broadcasting a discussion that first aired on November 26.
Also, Aurora, Colorado, braces for a mass murder trial, and a re-examination of President Lyndon Johnson. Was he the key to civil rights movement success, or one of the biggest obstacles?