This essay appears in our Summer 2019 issue, out now! Subscribe to receive a copy of this issue in your mailbox. IMMIGRATION HAS BECOME so central to US politics today that it’s hard to remember how rarely it flickered into the national spotlight before 2016. Prior to Donald Trump’s election, both parties agreed on the need for border enforcement, with the GOP routinely accusing Democrats of being soft on “illegals” and the Democrats responding with vigorous deportation campaigns.