> It's difficult to understand why people drive such tiny distances. I agree with a general point about benefits of non-carbon-producing transportation. I don

> It's difficult to understand why people drive such tiny distances. I agree with a general point about benefits of non-carbon-producing transportation. I don't want to judge any particular person, however; I simply don't know and it's not my business. Maybe Gates has a lot to carry; maybe he has bad knees; maybe his personal security is an issue; maybe he has allergies this season. Maybe he's simply uncoordinated. Also (and I doubt this applies to Gates), I've lived in places where cars are too dangerous to bicyclers to ride regularly, either because of the drivers, the rules, the lack of bike lanes, etc.