Here is a video of Obama addressing the staff at his headquarters after clinching the nomination.

It is every bit as good as his stump speeches but I thought more personal.  He also makes some really good points about the election.

To paraphrase:  While the primaries were important, the stakes weren't as high because if they stumbled  - another qualified Democrat would still win and everything would be fine.  However, now that they have won, the burden is on him/the staff.  They HAVE to win, the entire country is depending on them.

It is a pretty inspiring rallying of the troops and a good insight into an Obama administration.

Here is the video - worth the watch.
http://www.youtube.com/watch?v=bnhmByYxEIo