Philip Greene of the Museum of the American Cocktail knows all about our president's favorite drinks. Watch and learn three for your next happy hour. (The Washington Post)

Philip Greene’s day job is at the Pentagon, but he is also the founder the Museum of the American Cocktail in New Orleans. And he knows what all the U.S. presidents liked to drink.

On Tuesday, he dropped by the National Museum of the American Indian to make some “presidential cocktails.” The event was presented by Smithsonian Associates, and we got a little preview beforehand.