By all appearances, “ Tulsa King ” has everything going for it — an A-list series lead (Sylvester Stallone), one of the most in-demand creators in the business (Taylor Sheridan) and the full backing of Paramount. But behind the scenes, the show’s handling of the recent firing of more than two dozen crew members is seen as the result of a lack of clear leadership — no formal showrunner is yet in place — that has emerged going into production of the fourth season in Atlanta. According to multiple