Dave Mustaine on New Megadeth LP and 'Rust in Peace' Reunion That Wasn't

Dave Mustaine has steered Megadeth through more than its fair share of lineup changes over the course of its three-decades-plus lifespan. And yet, these last six months have been particularly topsy-turvy in the singer-guitarist’s world, even by his band’s high standards. In November 2014, drummer Shawn Drover, who had been with…