Extreme pride can inspire leaders to believe they’re infallible. In fact, their arrogance makes them anything but. Exhibit A: Margaret Thatcher. More Art of Leading: ****** Renowned historian Margaret MacMillan steps away from the lectern and pops up onscreen as her recent CBC Massey Lectures, and her book "History's People," are transformed into "The Art of Leading." Follow along as she puts politicians and historical figures under the microscope in this six-part video series! Catch episode 5 right here: ****** The CBC Massey Lectures are produced in partnership by CBC Radio IDEAS, House of Anansi Press and Massey College at the University of Toronto. Margaret MacMillan's Massey Lectures air on CBC Radio IDEAS March 28 — April 1: ****** History's People is published by House of Anansi Press, and can be purchased here: ******