Joe Biden and his wife Jill moments after his speech at the Democratic National Convention (click on the photo to watch the speech)

Joe Biden Introduces Himself

Yes, he was in the Senate for more than 35 years, and President Obama’s Vice President for 8. But we’re not sure he’s front-of-mind yet for many voters. And we think he knows that too.

On the day of the last day of the Democratic National Convention, we happened to be speaking with a friend…