Wages are more of a concern.
Check it out:
Immigration reform has fizzled as an issue for Democrats, who are barely mentioning it on the campaign trail despite making the issue their top domestic priority in 2013 and 2014.
Latino voters, who are the most energized about overhauling the nation’s immigration laws, will have little impact on the battle for control of the Senate, with the possible exception of Sen. Mark Udall’s (D) race in Colorado.
White working-class voters will play a more important role in the midterm election compared to the 2012 presidential election. They are not energized by immigration reform. Instead, they are concerned about downward pressure on wages, which the Congressional Budget Office (CBO) has linked to higher immigration levels.