I don't think he's going to stop wearing leather or anything, but diet-wise, it sounds as though he's pretty much vegan, with an occasional piece of fish here and there. Pretty darn cool. He revealed his change in diet on CNN, and said it was to lose weight, repair his heart, and be healthier overall.
I'm surprised this hasn't gotten more attention in the media. It raises awareness for cardiovascular health as well as a plant-based diet. It shows how skewed our media is and what they consider worthy of follow-up. For example, we see stories going into the minutia of everything from chemicals in toys to genetically modified salmon. But, for some reason, this gets almost nothing.
I was happy to hear him give a shout out to the Campbell's, authors of The China Study. Check it out: