PBS Newshour: How the Civil Rights Act pioneered anti-discrimination laws in America

President Lyndon Johnson signed the Civil Rights Act into law 50 years ago. Gwen Ifill examines its legacy and unfinished business with President Johnson’s daughter, Lynda Johnson Robb, Shirley Franklin, the former mayor of Atlanta, Ranjana Natarajan of the University of Texas School of Law, and former House Republican aide Robert Kimball.