Are leaders born or bred? Loyola University business ethics professor Al Gini joins us to discuss his book, 10 Virtues of Outstanding Leaders. Read an excerpt. 

A new WTTW special covers the mock retrial of Mary Todd Lincoln, who was tried and institutionalized for insanity a decade after Abraham Lincoln's assassination. Would she be institutionalized under today's laws?

Art conservator Barry Bauman discovers fraudulence in a 19th century portrait of Mary Todd Lincoln. We shine a light on his detective work.