One would think that there are public policies that would substantially accelerate the pace of innovation. I'm not so sure. I'll address this issue in a roundabout fashion, starting with a discussion of innovation in some seemingly unrelated fields. In 1969, we had just landed on the moon, the Boeing 747 was carrying 400 passengers at 600 mph, and cars sped down expressways at 70 mph. President Nixon would soon launch the war on cancer. Given the incredible progress in...