Sign up for the Surge, the newsletter that covers most important political nonsense of the week, delivered to your inbox every Saturday. Oh, great. If it isn’t you guys again, clamoring to read Slate’s rundown of the week’s most important figures in politics. “Who’s up and who’s down?” you say in your nasal, squeaky voices. “Who’s hot and who’s so over?” In this case, in fact, it is I, substitute Surge author Ben Mathis-Lilley, who is over. The original proprietor of this esteemed newsletter, Jim Newell, will be returning to the helm next week. For our money, Jim is both...