Dr. Jill Biden unintentionally amuses supporters with a lovingly detailed description of Joe Biden’s pride and joy.

Jill Biden:  So this election is personal to me, and it is deeply personal to the man I am about to introduce. I’ve seen Joe up close… [Dr. Biden makes a wide motion with her hands; audience howls with laughter] It’s in my remarks, really! I’ve seen how his optimism, his determination, his big, strong heart [more audience tittering] drives him to make a difference for other people every day. I’ve heard the urgency in his voice when he comes and talks about the people he’s met…