I want to be upfront about something: I'm not an American, I'm an Australian. And as such, I don't really understand NASCAR or baseball, and my daily driver is from a country that the Americans were at war with seventy years ago. Heck, I sometimes even eat croissants.
So what gives me the right to chide American drivers for resisting such a basic piece of road design as the humble roundabout? Well, that's simple: in Australia we've been using roundabouts for years.