Will GOP governors’ actions hurt Obamacare or their states more?

President Obama’s Patient Protection and Affordable Care Act celebrated its third birthday last weekend. This particular anniversary was a big deal, because it was often unclear whether the law would reach it. In the first place, it was imperiled by the Supreme Court; in the second, by the Republican Party’s promise to kill it if Republicans won the White House in 2012. Over the past year, Obamacare survived both challenges, and next year it will begin its core mission of insuring ...