David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet. ...

Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet. (David Letterman)

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David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.

David Letterman Quotes: Here's the plot of 'Interstellar.' Refugees - they're known as Democrats - they're looking for a new planet.