The California High-Speed Rail Authority has created a set of models and scenarios to answer the objections to its earlier models and scenarios. These will be parsed in much more detail than I can do here, but it is best to note the assumptions. First, its model assumes that the rail passenger fare will always be cheaper than airfare or driving. A ticket from San Francisco to Anaheim will be $72 in 2005 dollars. This is projected out to 2030. Second, the ridership will be immense — anywhere from 28.6 million to 37.1 million. This admittedly may appear realistic compared...