Old-fashioned readers of Wednesday’s paper version of the New York Times might have noticed a full page advertisement opposing in-car breathalyzers (in certain situations, anyway), which also go by the name ignition interlocks. The ad, paid for by the American Beverage Institute, is part of an long-running political fight between restaurateurs and drunk driving awareness groups like Mother’s Against Drunk Driving over whether to shove technological nudges into automobiles. Typically, the interlocks work by placing a small alcohol sensor unit on car’s dashboard, which drivers blow into before starting the car. The car cannot be started if the driver’s blood-alcohol-content level is above a certain preset level.
When a technological nudge meets a legal mandate