Happy President’s Day! On Today's show we're replaying some of our favorite interviews from the year. Atul Gawande explains how a simple checklist can help doctors save lives – and why so many of his colleagues have resisted using it. Also, science writer Richard Ellis on the lives of polar bears....which are seriously endangered. Then, Jonathan Dee discusses his latest novel, The Privileges. Plus, actor/director and producer Griffin Dunne talks about the life, and last novel, of his late father, Dominick Dunne.