Bad Company and Joe Walsh will be heading out on a co-headlining tour. The two acts will switch off headlining positions each night, and will also be joined by special guest Steve Rodgers. Tour Dates: 5/12 — Gexa Energy Pavilion, Dallas, Texas 5/15 — Red Rocks Amphitheatre, Morrison, Colo. 5/17 — Concord Pavilion, Concord, Calif.…