<p>Travelers walk through terminal 3 at O'Hare International airport in Chicago on Dec. 1, 2013. </p>
June 28, 2015
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June 28, 2015 9 p.m.
<p>Travelers walk through terminal 3 at O'Hare International airport in Chicago on Dec. 1, 2013. </p>
June 28, 2015