“I’D rather be a really good one-term president than a mediocre two-term president,” President Obama confessed to ABC News’ Diane Sawyer last year. Other than the “really good” part, Republicans would be happy to see this wish fulfilled... --snip-- But passing a lot of bills and achieving military victories is not enough. Making them stick is the trick. As the political scientist Eric M. Patashnik of the University of Virginia has shown in his revealing book, “Reforms at Risk,” the fate of policy reforms is heavily dependent on what happens after laws pass. This is especially true for one-term presidents,...