The political emergence of evangelical Christians has been a signal development in America in the past quarter century. And while their voting tendencies have been closely scrutinized, their participation in the policy debates of the day has not. They continue to be caricatured as anti-intellectual Bible thumpers whose views are devoid of reason, logic, or empirical evidence. They're seen as lemmings, following the cues of Dobson and Robertson and marching in lock step with the Republican ...