As he swallowed peanuts, Tab raised a glass to Barry.
  "What's this?" asked Barry, "Eighteenth century France, storming the Bastille?"
  "Twentieth century Broadway. Storming the box office! Les Mis!" Then singing, "Do you hear the people sing, dah-dah-dah-dah." The other customers looked wearily at the sound. Across the room, a dark-complected man slowly padded up to a blurry photo of 1920s Harlem and disappeared. "Bartender, three fingers of Time Slide for my friend."
  "Oh, nothing for me. I shouldn't drink and time travel."
  "Ha, ha! You have to," said Tab. "You have to."
  "Have to?"
  Come on." Tab said, and pulled out a small electronic device and glanced at it, smiling.