Geezer Butler (Black Sabbath), Scott Ian (Anthrax), Mike McCready (Pearl Jam), and more have been added to Tom Morello’s 2026 Power To The People festival. That event will take place at Merriweather Post Pavilion in Columbia, MD on October 3. Here’s the updated lineup: Bruce Springsteen (special guest) Foo Fighters Dave Matthews Tom Morello (Rage…