Amtrak train on wrong track in deadly crash; it says freight line controls signals

Amtrak train on wrong track in deadly crash; it says freight line controls signals  ABC News Amtrak boss blames CSX, feds after deadly crash in South Carolina  Fox News A GPS System Could Have Prevented the Deadly Amtrak Collision, Investigators Say  TIME 2 dead, more than 100 hurt in Amtrak crash in Cayce  The State Two dead, including Amtrak engineer who feared dying on the job, in horrific SC train crash; another 116 injured  New York Daily NewsFull coverage