Who is Joe the Plumber?

Posted by Jay Newton-Small from time.com

Any one watching tonight's debate is surely wondering: Who the heck is this Joe-the-Plumber that both candidates keep talking about?
Turns out, he's a real guy. Obama met Joe Wurzelbacher in Ohio a couple of days ago. Here's an interview with him by a conservative group. 

Here's a video link of the encounter.