Border patrol: US Can Control Immigration For all the claims “that it’s impossible to rein in illegal immigration” without “comprehensive immigration reform,” observes Jeffrey H. Anderson at City Journal , “The Congressional Budget Office has recently made clear that all it really takes is a president willing to enforce federal immigration laws.” Just before President Trump took office, “the CBO estimated that a net 1.1 million ‘other foreign nationals’” — that is, illegal migrants — “would be