join me next time for a conversation with mikhail barishnikov. that is next time. we will see you then. >> every community has a martin luther king boulevard. it's the cornerstone we all know. it's not just a street or boulevard, but a place where walmart stands together with your community to make every day better. >> and by contributions to your pbs station from viewers like you. thank you. thank you. steves: the dramatic rock of cashel is one of ireland's most evocative sites. this was the seat of ancient irish kings for seven centuries. st. patrick baptized king aengus here in about 450 a.d. in around 1100, an irish king gave cashel to the church, and it grew to become the ecclesiastical capital of all ireland. 800 years ago, this monastic community was just a chapel and a round tower standing high on this bluff. it looked out then, as it does today, over the plain of tipperary, called the golden vale because its rich soil makes it ireland's best farmland. on this historic rock, you stroll among these ruins in the footsteps of st. patrick, and wandering through