The movement called neo-conservatism has provided the intellectual foundation for the resurgence of American conservatism in our time. And if neo-conservatism can be said to have a father or an architect, that person is Irving Kristol. Schooled in radical socialism in the 1930s, Kristol grew disillusioned with the left and rose to become an ideological foe of the Soviet Union, an active editor and publisher, and a prolific writer in his own right. He helped move a generation of intellectuals to the conservative cause. Neoconservatism is the most comprehensive selection of Mr. Kristol s...