David Ellefson (ex-Megadeth, etc.) has announced some European “Bass Warrior” shows with Screaming Mad Dee Calhoun. The concerts will find the bassist and his solo band performing select tracks from Megadeth, his solo career, and other hard rock and metal favorites. Here’s the dates: 11/30 Bilzen, Belgium – South Of Heaven 12/01 Düsseldorf, Germany –…