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Associated Press
FILE - In this July 9, 2007, file photo Amtrak's Lincoln Service train passes Illinois cornfields as it speeds through a crossing en route to Chicago. The two biggest players in the nation's pursuit of high-speed rail said Thursday, Jan. 17, 2013, they'll work together to search for trains that will operate at up to 220 miles per hour along both coasts of the United States. (AP Photo/Jeff Roberson, File)

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