Loading...

Primary Question: Global Warming

39,882 views

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Feb 1, 2008

Katie Couric asked ten leading presidential contenders whether or not global warming is a real and immediate threat.

Loading...

When autoplay is enabled, a suggested video will automatically play next.

Up next


to add this to Watch Later

Add to

Loading playlists...