Ron Paul appeared on the Tonight Show with Jay Leno just now. I'm sure it will be available on YouTube or other sources any minute.
He really hit it out of the park. He stayed on his message, and he spoke without sounding like canned soundbites. With his fundraising success and all that's going right for him, as he puts it, there really is a risk he might win. :-)
First news story about it appears to be in USA Today
And here's the video: