Roger's VersionBy: John Updike As Roger Lambert tells it, he, a middle aged professor of divinity, is buttonholed in his office by Dale Kohler, an earnest young computer scientist who believes that quantifiable evidence of Gods existence is irresistibly accumulating. The theological scientific debate that ensues, and the wicked strategies that Roger employs to disembarrass Dale of his faith, form the substance of this novelthese and the current of erotic attraction