Watch a promo trailer from “Dave Navarro’s Spread” featuring Dave Mustaine. On tonight’s episode Dave chats with Megadeth’s Dave Mustaine former lead guitarist for Metallica about his experience in rehab. Make sure to catch Dave Navarro’s Spread tonight, April 10th, at 11p.m. ET only on maniaTV.com Live at http://www.maniatv.com/live and On Demand http://www.maniatv.com/shows/spread-entertainment/videos sections of the site.