We Are Out of Money American governance won’t begin to inch forward until the political class faces basic facts. American conservatives, particularly the fiscal variety, tend to hold up the European Union as a model of irresponsible, big-spending economic policy. But consider this: According to E.U. rules, member countries cannot maintain budget deficits above 3 percent of gross domestic product; nor can their total debt rise above 60 percent of GDP. As Veronique de Rugy points out in this issue, the U.S. budget deficit in 2009 was three times the E.U.’s limit, and total debt will zoom past the 60...