Here's the story: a reverend and a rabbi start a blog. In 2008, Baptist minister Michael Smith and Jewish rabbi Rami M. Shapiro began a virtual conversation via blogspot.com. Called "Mount and Mountain," the blog recorded a long-running dialogue between Mike and Rami in which the pair interpreted, argued about, and interrogated two key texts drawn from the canons of their respective religions: the Ten Commandments from the Torah, and the Sermon on...