Several months ago I received a scathing rebuke from a gay professor who we will call Rod – because that is his name. He was angered by my insistence that a Christian musician should not be forced to perform at gay weddings. He asserted that the “cost of doing business” is that you must “accommodate” all segments of the population, regardless of your religious beliefs. In other words, he articulated the belief that every single business has to serve every single customer in order to “accommodate the public” – even if that means attending religious services that violate his conscience....