In response to the publication of my book, The Real Lincoln, I’ve had quite a few letters from admirers of Pat Buchanan’s book, A Republic, Not An Empire, who tell me that they are persuaded by my argument that America began its transformation from a constitutional republic to an empire in 1865. But they disagree with my …In response to the publication of my book, The Real Lincoln, I’ve had quite a few letters from admirers of Pat Buchanan’s book, A Republic, Not An Empire, who tell me that they are persuaded by my argument that America began its transformation from a constitutional republic to an empire in 1865. But they disagree with my …