The Poison frontman is the latest artist to drop out of the event, which was purportedly pitched as a nonpartisan celebration of America’s 250th anniversary Poison frontman Bret Michaels is the latest artist to drop out of the Great American State Fair concert in Washington, D.C., saying the type of show he was pitched “evolved into something much more divisive than what I agreed to be a part of.” In a statement shared on Instagram , Michaels said that the event — which is part of the Trump administration’s Freedom 250 initiative to mark America’s 250th anniversary — was described as “a celebration of our country through music and a chance to honor our veterans, active military, first responders, teachers and hardworking Americans from all walks of life.” Michaels did not say what exactly about the direction of the show had changed.…