Photo illustration by Slate. Photo by CJ Gunther/Getty Images. Sign up for the Surge, the newsletter that covers the most important political nonsense of the week, delivered to your inbox every Saturday. Welcome to this week’s edition of the Surge, a newsletter that can finally stop writing about Graham Platner—for five years, when he will be a first-ballot Surge Hall of Fame inductee. Most of the Surge this week is about developments in Maine, a once beautiful state that may now have to be domed off in concrete because of what’s gone down in its Senate race. Also: The Texas...