Historian Wilfred McClay aspires to be the antidote to Zinn, whom he accuses of “greatly oversimplifying the past and turning American history into a comic-book melodrama in which ‘the people’ are constantly being abused by ‘the rulers.’ ” Mr. McClay’s counterpoint, which comes out next week, is titled “Land of Hope: An Invitation to the Great American Story.” He says . . . he’s seen too many students drawn to Zinn because the standard textbooks are visionless and tedious. “Just as nature abhors a vacuum,” Mr. McClay says, “so a culture will find some kind of grand narrative of itself...