C. J. Hopkins is one of the very few Americans to follow through on the quadrennial promise, sworn by countless millions, to leave the country because they didn’t like the result of a particular general election. You probably haven’t heard of C. J. Hopkins. A playwright, satirist, and self-described “old lefty,” Hopkins, who is now 62, was working in New York’s downtown experimental-theater scene in the early years of the 21st century when he began to “grow sick of the atmosphere” during the run-up to the Iraq War. “I helped organize those big protests before the invasion,” Hopkins told me, and “was active a little bit in the anti-globalization stuff, the anarchists.” Serendipitously, around that time, one of his plays took off in Europe, and in the summer of 2004, he packed his bags for Berlin, thus sparing himself the agony of witnessing George W. Bush’s reelection up close. Having fled his native country for Germany nearly 20 years ago because of what he describes as America’s “really oppressive” climate of opinion, Hopkins now has …