DONALD TRUMPS CONTINUING surge in the polls has left his GOP opponents flummoxed and floundering. Some are trying to sound like mini-Donalds. Jeb Bush garnered eye-rolling publicity by referring to anchor babies from Asia, as well as Latin America, and muttering about the need for a crackdown. (How? By requiring a pregnancy test for every woman who visits the country and a forced trip to Planned Parenthood if she tests positive?) Scott Walker says we should cancel Chinas strongman Xis upcoming trip to the U.S.