Steve Levitt may refer to: (wikipedia)
What is there not to like about Lucy?
His positives outweigh negatives (in different groups surveyed) by multiples of two, three, four, even five to one.
All three of these are factors that put children at risk for crime when they grow up. Unwanted children are at risk for crime, legalized abortion reduced the number of unwanted children. Therefore, legalized abortion should have reduced crime.
