Professor Ernest Moniz, the U.S. Secretary of Energy, is a professor emeritus of physics at MIT, where he served as the head of the physics department and directed the Bates Linear Accelerator Center. The nuclear physicist was previously an undersecretary of energy during the Clinton administration.

If he's not known as Ernie, than he should be, so we've invited him to play a game called "Ernie, meet Bert": three questions about the taller of the two roommates from Sesame Street.

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