All they do on the half behal f of this Great Institution. [applause] tonights program lasts about an hour and it will include a question and answer session. You should have received notecards as you enter the auditorium. If you did not, staff is still going through the seats, the the aisles with notecards and your notecards will be collected later on in the program. Following the program, there will be a book signing. And books will be available for purchase in our history store. We are delighted to welcome leuchtenburg back. Professor leuchtenburg has taught at numerous universities over the course of six decades. Including columbia and oxford universities. He served as president ial elections analyst for nbc and eyes president ial inauguration consultant to cbs and cspan. The professor was the first recipient at the arthur m injure schlessinger award. He is the author of 16 books, including the american president s from Teddy Roosevelt to bill clinton. Harold holzer is the author of