Photo Illustration by Luis G. Rendon/The Daily Beast/GettyWashington, D.C. is home to hundreds of churches; any would have been a more fitting location for a Christian church service like last week’s National Prayer Breakfast than the U.S. Capitol. In the prestigious National Cathedral, for instance, 4,000 worshippers could have enjoyed Andrea Bocelli’s melodious tenor and the Christian speakers, sermons, and prayers.Unfortunately, some members of Congress—oblivious or hostile to church-state se