Watch Late Show with David Letterman Season 19 Episode 70 Online
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- COUNTRIES: United States of America
- Subtitles: English
Dave welcomes Kid Scientists, actress Elizabeth Banks, and musical guests Edward Sharpe & the Magnetic Zeros. Kid Scientist Cairo Lawrence demonstrates her "Newtonian Headgear". Kid Scientist Jack Brandt demonstrates the "Can Crush". Elizabeth Banks recalls a family road trip where her sister got left behind at a McDonald's.