Just open the borders and say welcome to the “illegals”.
Check it out:

Senate Minority Leader Mitch McConnell and 21 Republican senators accused President Obama of trying to further dilute immigration law Thursday.

“Clearly, the urgent task facing your administration is to improve immigration enforcement, not to look for new ways to weaken it,” the senators wrote in a letter to Obama. “Since 2009, your administration has issued policy directives and memoranda incrementally nullifying immigration enforcement in the interior of the United States — to the point that unless individuals in the country illegally are apprehended, tried, and convicted for a felony or other serious offense, they are free to live and work in the country.”