Commentary Let’s talk calmly and objectively about U.S. immigration policy, shall we? And let’s focus on what’s happened so far this year following our nation’s latest changes in strategy. Those changes have sparked an unprecedented flood of refugees across our southern border. The U.S. Border Patrol reports that during the month of May, agents grappled with more than 180,000 migrants. In April, the number was 178,000. A government estimate says we are on track to handle more than 2 million immigrants entering via the southern border by the end of this fiscal year. That doesn’t count all the other immigrants who enter the United States legally. No matter how often administration officials tell potential refugees, “Do not come” or declare that “the border is closed,” the truth is that massive numbers of immigrants continue to come across the U.S.-Mexican border, and that border is as leaky as a spaghetti sieve. …