U2 — all four original members, of course — performing at the Academy Awards in Hollywood, California on March 2nd, 2014. Kevin Winter/Getty U2 are one of rock & roll’s greatest success stories for their artistry, but also for their marathon endurance. Friendship, health and serendipity have kept founding members Bono, the Edge, Adam Clayton and Larry Mullen Jr. together since 1978. Our current co