And, while this is an accidental exception, future open threads should start on Mondays until further notice.
A statistical look at whether bike helmets make sense-- concludes that there are some strong arguments against requiring bike helmets, and that drivers give less room to cyclists wearing helmets.
You know the drill - If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
And, while this is an accidental exception, future open threads should start on Mondays until further notice.