First, let me just say that I hope Jackson Diehl of the Washington Post is wrong and that President Obama has no intention of making a dramatic break with Israel in the coming months. But alas, the story he tells is very convincing. According to Diehl, the Obama administration is getting ready to back a U.N. Security Council resolution that would, in his words, “mandate the solution to the questions Israelis and Palestinians have been unable to agree upon for decades, such as the future status of Jerusalem.” Why does this matter? If Israel rejects peace terms imposed on it...