For the most part, I agree with Peter Lawler’s critique of the recent New York Times column by David Brooks on Lincoln and the evangelical abolitionists. But Lawler says one thing that is dead wrong and needs to be corrected. Lawler writes that “Lincoln opposed abolitionism before the Civil War because he believed it was unconstitutional; the Constitution only opposed the expansion of slavery into new territories. Abolitionism was a revolutionary principle, and it could finally only be justified by Lincoln after civil war had begun.” While Lawler is correct in observing that Lincoln was no abolitionist, his argument plays...