U.S. Senator John Edwards - candidate for President of the United States - spoke at Scholtz's Bier Garden here in Austin yesterday during lunch. Austinist was in attendance. Edwards was introduced by Texas Senator and former Austin Mayor Kirk Watson, as well as by former Texas Agricultural Commissioner Jim Hightower, Texas' favorite anti-everything-corporate rabble-rouser. Marcia Ball - a staple performer at most Texas Democratic events - opened the event with a few swingin' tunes. The......