Note: I wrote this article the morning of Monday, Jan. 26, before news broke that Greg Bovino is being fired as “commander at large” of U.S. border control (the White House disputes the reporting), and that Kristi Noem and Corey Lewandowski could be next. Bovino’s ouster is further evidence that the politics of immigration enforcement are deteriorating quickly for the Trump administration, and that the backlash I describe below is now driving consequences inside the White House. I’m not saying that this is proof of the tipping point I argue we have hit on immigration, but if we