From the AZ Republic:
"I think the Democrats have realized that they have a distinct advantage with a growing electorate around immigration issues, and Secretary Clinton has sort of seized that opportunity and made it one of her defining issues," said Louis DeSipio, a professor of political science and Chicano/Latino studies at the University of California, Irvine.

For the full story, please visit http://www.azcentral.com/story/news/politics/immigration/2015/05/15/immigration-forefront-2016-presidential-race/27353559/.