Have you found yourself peering (perhaps with arched eyebrow or flaring nostril) at the other side of the political spectrum and muttering, “What the hell are they thinking?” If so, you could probably learn something from Ken Stern’s “Republican Like Me: How I Left the Liberal Bubble and Learned to Love the Right” (Harper, $27.99), from the opening pig hunt to the closing sentence: “There is still hope for us yet.”