Few people engaged in the "War on Christmas" are aware that at one time it was a crime in Massachusetts to celebrate Christmas. Oh sure, some will say, count on liberal Massachusetts to pass a law against Christmas. But it was Calvinist Massachusetts, in the days of the Plymouth and Massachusetts Bay colonies, the Pilgrims and Puritans, that established penalties for the observance of Christmas Day "by abstinence from labor, feasting, or any other way." The noisiest opposition to public celebration of Christmas today comes from professed agnostics and atheists, particularly those seeking "freedom from religion." But there are still...