FORTUNE -- When it comes to executive experience, this is not Jim Haworth's first rodeo. The Professional Bull Riders CEO was an executive vice president at Sears (SHLD), chairman of Chinese retail company Chia Tai Enterprises International Ltd., and spent 20 years at Wal-Mart (WMT) before that. Haworth took the reins at PBR in 2011 with the aim of turning what most people think of as one event ...