Master mixologist Dale DeGroff shares anecdotes from historical drinking spots and traces the evolution of the cocktail in his book Life In Saloons, Speaks and the Big City Bar. But at the Warehouse Theater on Monday, May 9, DeGroff won't just read from his book. He'll also offer sample cocktails representative of the various eras -- Gilded Age, Prohibition, Modern Times. Cheers to all that. Monday, May 9, at 6:30 p.m. Warehouse, 645 New York Ave. NW. Tickets are $35 to $40. Call 202-783-3933 or visit warehousetheater.com.