Best Of: Sam Waterston / A Civil Rights Leader Who Investigated Lynchings

Waterston joined the cast of Law & Order in 1994 on a one-year contract. He wound up staying 16 years, until the series wrapped in 2010. Now the show's back — and so is he. We talk about working into his 80s, Grace and Frankie, and how the 1984 film The Killing Fields changed his life and career.

Also, David Bianculli reviews Julia, a new HBO series about Julia Child.

And White Lies author A.J. Baime tells the story of Walter White, a light-skinned Black man whose ancestors had been enslaved. For years White risked his life investigating racial violence in the South.