Why the California high-speed rail project is taking longer than planned

High-speed rail can be found around the world. Yet so far, the projects haven't tracked in the U.S., where both the public and private sectors have faced ballooning costs and delays.

A commuter train through the San Fernando Valley might sound like a good idea. But this is California, where nothing on rails is ever on track. The East San Fernando Valley Light Rail Transit Project is costing taxpayers $3.6 billion. And — just like the LAX People Mover, or the California High-Speed Rail Authority — i