What stunned House Speaker John Boehner more than anything else during his prolonged closed-door budget negotiations with Barack Obama was this revelation: "At one point several weeks ago," Mr. Boehner says, "the president said to me, 'We don't have a spending problem.' "

I am talking to Mr. Boehner in his office on the second floor of the Capitol, 72 hours after the historic House vote to take America off the so-called fiscal cliff by making permanent the Bush tax cuts on most Americans, but also to raise...