FILE - In this Dec. 1, 2013 file photo, travelers walk through terminal 3 baggage claim at O'Hare International airport in Chicago. The government reported Monday, May 5, 2014, that U.S. airlines raised $3.35 billion from bag fees in 2013, down 4 percent from 2012. That�s the biggest decline since fees to check a bag or two took off in 2008. (AP Photo/Nam Y. Huh, File)
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