federal government is essentially zero. musk admitted that america needs better airports and roads and better mechanisms to ease traffic in cities, but he seems to allow for the mechanism that s would tackle these problems. the government s investment in green energy is very similar what it did in the 1950s with computer chips, paying much more for a new technology so the price could later come down for everyone. it resembles the investments government made in the 1960s to develop arpanet, the first rough development of the internet and later the global positioning system. these policies, incidentally, created the digital infrastructure which made possible companies like paypal, the original source of elon musk s billions. go to cnn.com/fareed for a link to my washington post column this week. and let s get started.