Beau Biden's introduction of his father to accept the nomination for VP. You probably already know the story, but get a tissue anyway.
Joe's (what, you didn't know we're on first-name terms?) office has been sending me copies of his speeches for over two years now. I hope the next mailing includes a copy of Beau's speech as well as his father's.
(And when Beau speaks of his "other duties" he is referring to his upcoming deployment to Iraq.)
And, while it should go without saying, Joe's speech was pretty damn good, too: