On the matter of Hillary Clinton’s candidacy I find myself holding opposite and irreconcilable views: “That can’t possibly work,” and “She’s inevitable.”

Her candidacy can’t work because of the deep, daily cascade of scandals that would disqualify anyone else. State Department emails on private servers, stonewalling Congress; the family foundation that appears to function in part as a high-class slush fund and that, this week we learned, paid a significant salary to that beacon of philanthropic spirit Sidney Blumenthal, a...