High speed rail chugs ahead around the world, with the U.S. as caboose

High Speed Rail presents so much promise: It’s the greenest way to travel on anything powered by an engine. It bolsters economic development and connects cities. Its build-out creates thousands of jobs. And riding on it comes with WiFi and doesn’t require a body search. At least not yet.
So why aren’t we moving faster in the U.S. toward this 21st Century vision?