More than three years after Atlantic City entered into an agreement aimed at transforming Bader Field into a multibillion-dollar residential, commercial and automotive development, one question continues to hang over the massive project:What's holding it up? More than 20 acres of Bader Field are subject to New Jersey Green Acres restrictions, creating an additional state approval process before that portion of the former airport can be converted to private development, reports SouthJerseyNewsBeat.com