bob abernethy. good to have you with us. the supreme court heard oral arguments in a major case about public prayers before government meetings and whether they violate the separation of search and state. tim o'brienlf began with an invocation. >>> the house and senate routinely begin with prayer. >> let us pray. almighty god. >> reporter: the supreme court ruled 30 years ago that doing so does not violate first amendment prohibition of government establishment of religion. this week's case from greece, new york, a predominantly christian suburb of rochester may test the limits of such prayer. the prayers that open the town board monthly meetings are almost always christian as are those who give them. >> we acknowledge the saving sacrifice of jesus christ on the christ. >> father alex bradshaw, a frequent prayer giver is typical. >> from his resurrection at easter, jesus christ, who took away the sins of the world. >> reporter: a federal appeals court in new york ruled a town unconstitutionally favored the christian faith. after observing that two-thirds of the prayers offered contains references to jesus, your son, or the holy spirit. attorney tom hungar defending the town of greece in the suprem