The passing on Monday of indie bookstore legend Carla Cohen reminded us that among the many wonderful things she has bequeathed us is what may be the very best in-store event series in the country. To wit, the below appearance by Christopher Hitchens at Politics & Prose — one of many — in which he talks about one of his literary idols, Saul Bellow. That’s Carla sitting next to Hitchens before he goes to the podium.