Suppose someone — say, the president of the United States — proposed the following: We are drowning in debt. More than $14 trillion right now. I’ve got a great idea for deficit reduction. It will yield savings of $230 billion over the next 10 years: We increase spending by $540 billion while we increase taxes by $770 billion. He’d be laughed out of town. And yet, this is precisely what the Democrats are claiming as a virtue of Obamacare. During the debate over Republic...