For nearly five years, Republicans have been fighting to repeal President Obama’s healthcare law. But repeal is not enough. Even if simple repeal were politically obtainable, Americans would still be left with a broken healthcare system. Government regulations would still be stifling competition and individual choice and government healthcare programs would still be driving the nation’s unsustainable long-term debt problem. If Republicans achieved repeal without agreeing on a way to reform healthcare along free market lines, it’s inevitable that Democrats would eventually lead another overhaul of the system that would grant even more power to the federal government than the...