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'Mad Men' creator Matthew Weiner knows how to keep a secret

Rock Center

Brian Williams sat down with MADMEN creator Matthew Weiner at a local bar in New York City to discuss the upcoming season premiere on March 25.

"I just want to make sure that people don't know the story. The pilot of the show featured a revelation at the end that if you knew it before you went in to see it, you would have a totally different experience of the main character," Weiner told Brian Williams.

Editor's note: Click here to watch Brian Williams' behind-the-scenes report on Mad Men from NBC's Rock Center.