What goes by the description of "conservatism" these days is a far cry from its past incarnations. Forget the legacy of moderate conservatism promoted by Dwight Eisenhower. Today's conservatism, according to Robert Brent Toplin, has taken a decidedly radical turn. Toplin offers an intriguing critique of this fast-growing movement that resembles religious fundamentalism--a rigid true believer's mindset that dismisses opposing views and leaves...