Megadeth lead singer Dave Mustaine is in the sweet spot for The Freak Nation. He’s a Heavy Metal star who likes to talk about star things and music. Believe us, it works! Mustaine, though, spent this visit to The Freak Nation talking about things like helping Oklahoma tornado victims put their lives back together through the unifying force of Heavy Metal. Mustaine, Megadeth and Metal. How much more do you need to know about this rock legend? Listen…