Farewell to Rick Grimes? Andrew Lincoln signs off from ‘The Walking Dead’ in an episode typical of TV’s most vexing drama

Read on: ENTERTAINMENT - Los Angeles Times.

(Spoiler alert: If you haven’t seen Sunday night’s episode of “The Walking Dead” stop reading now).

Rick Grimes may have been unkillable. But he still got written off.

If you’re a character on a show about the zombie apocalypse, death is really the only way out. You don’t accept a transfer to...