Al Hunt, Bloomberg
U.S. political junkies are being treated to a feast this summer: David Maraniss’ acclaimed new book on Barack Obama, the durable Mitt Romney biography by two Boston Globe reporters and, of course, another installment of Robert Caro’s classic series on Lyndon Johnson.After reading those, you also might want to pick up Robert Merry’s “Where They Stand: The American Presidents in the Eyes of Voters and Historians,” an analysis of how presidents fare with historians and why. It would make especially instructive reading for Obama and...