As former U.S. president turned special commission investigator George Mullen ( Robert De Niro) delivers a climactic closing speech in the final scene of Netflix's new political thriller Zero Day, it's this admission that gets to the heart of the show's message about the importance of truth in today's world.

Here’s what really went down, and what you should take away from the wild ride.

After a six-decade-long career, "Taxi Driver" actor Robert De Niro is starring in his first television series - but he is not convinced he would do it again.