Ban Windows, Not Cell Phones
Scrivner has another great post, this one to a study at Virginia Commonwealth University. (My link is to the study, not the press summary Scrivner links.)
The press summary claims that rubbernecking accounts for 16% of accidents, looking at scenery or landmarks 10%, while cell phones account for only 5%. Clearly the answer is to ban side windows on cars, not cell phones.
I mention that its the press summary, because reading the study, things are unsurprisingly more nuanced.