Bullet Trains in the U.S.?

Japan Central Railway's $600 billion proposal for upgrading America's rail system is almost as slick as its 200-mph locomotives -- a package deal for the entire operation, providing everything from cars to signals, rails to maintenance.

Obama's rail plan speeds ahead

This week, President Obama unveiled his plan to develop a high-speed passenger rail (HSR) system in the United States. Although HSR has long been a...