President Obama gave his last State of the Union address this week. I did not watch it, but I read the transcript. To my eye, to my mind, it was as fine a way to cap his presidency as one could hope. He spoke to the future. Make of that what you will. Those who do not now or never have liked him, it was all hot air, empty rhetoric, posing for posterity. For those who believe he has been the best president since the last great one, it was inspirational, an arrow aimed at the next horizon. For anyone with the slightest grasp of history, how politics works, of even a grasp of the last 40 years, it was a gracious and generous invitation to Do Better.…