From the WSJ:
Louis DeSipio, a professor of political science at the University of California, Irvine, said the Mexican reverse-migration trend should send a message to U.S. lawmakers that an immigration overhaul may be needed to ensure economic growth. Some politicians “are missing the emerging reality of U.S. immigration,” he said. “Immigration reform is needed to ensure that the labor needs of the U.S. economy can continue to be met.”
 
For the full story, please visit http://www.wsj.com/articles/mexican-immigration-to-u-s-reverses-1447954334.