Mike Lofgren used to be a Republican. Then he “retired” last year – so he claims – from a staff job on the U.S. Senate Budget Committee doing grunt work for GOP lawmakers. Nowadays, Lofgren gets paid to bash the party of Lincoln (and Reagan), which has been taken over by the “religious right,” he laments, in his just-published, oh-so-cleverly-titled book, “The Party is Over.” “Religious cranks ceased to be a minor political nuisance in this country in the 1970s,” writes Lofgren, “and grew into a major element of the Republican rank and file.” Today, he reckons, these “religious fundamentalists”...