I’ve tried to avoid the hype. I don’t wear Che T-shirts, and there are no pictures of Che Guevara on my walls. Although I spent 10 years researching the Argentine doctor-turned revolutionary, I don’t know if I’ll go see Steven Soderbergh’s four-hour biopic, Che, based on the real-life adventures of Ernesto “Che” Guevara. I know…