At any given point in time, Nate Oman has two bottles of wine in his kitchen, one red, one white. No more, no less. He only uses them for cooking, since he is a devout and lifelong member of The Church of Jesus Christ of Latter-day Saints, which prohibits imbibing alcohol. So it may come as a surprise that the day before last Passover, Oman, a 49-year-old law professor at William & Mary, drove from his home in Williamsburg, Virginia, to Philadelphia to purchase dozens of bottles of whiskey. And vodka. And gin. And tequila. Also Fruit Roll-Ups, Entenmann’s donuts...