"Legalization leads to less abuse by youths, and less abuse overall, lower rates of addiction, and less overall harm."
Actually, the United States Prohibition against alcohol DID reduce alcohol consumption. Greatly. In fact, after the Prohibition was repealed in 1933, it took another thirty years before alcohol consumption reached pre-Prohibition levels.
Driverless cars have been around for over thirty years - it's not a new concept. The DARPA Grand Challenge is a challenge event where people (typically students) create driverless vehicles and have them navigate a course. The winner receives a very large prize.
In 2007, the driverless car prize was $2,000,000 for first place, $1,000,000 for second, and a 'measly' five hundred thousand dollars for third place.
We have a equal opportunity Calculus class -- it's fully integrated.