http://www.freetalklive.com/taxonomy/term/15925/0 en http://www.freetalklive.com/content/i_used_think_could_never_happen_here <p>A China-born U.S. citizen and award-winning inventor of emission control systems for autos, Hu has written to the police who investigated him for infringing commercial secrets and met with the prosecutors who dropped the charges for lack of evidence. Yet he has not been allowed to leave - nor told why.</p> <p>-"Kelvin" in Colorado</p> http://www.freetalklive.com/content/i_used_think_could_ne