The author tells the Washington Post that presidents "widely considered successful -- such as Abraham Lincoln, Teddy Roosevelt and John F. Kennedy -- suffered from mood disorders for most of their lives... In times of crisis, leaders with mood disorders were at an advantage rather than impaired, he writes. They were more resilient, more creative, more thoughtful, more empathetic and better able to endure times of intense stress."
"Conversely, Ghaemi believes that George W. Bush and Tony Blair were failures as leaders because they were mentally healthy."