Could you show mercy to the terrorists who killed your mother?Simon Kennedy's mother Yvonne was one of 10 Australians to die during the 9/11 terrorist attacks, and the only one to die outside of New York, in the attack on the Pentagon. On September 11, 2001, Yvonne boarded flight AA77 to begin her return to Australia after completing a much-planned vacation to America. All passengers on board were killed in the crash into the Pentagon.In 9/11 and the Art of Happiness: An Australian Story, comedian Simon Kennedy remembers his mom and reveals unheard of details about the trauma family members endured in the aftermath of a global terrorist attack. Disbelief mingles briefly with false hope. Airline officials are in constant attention; FBI officials pay cordial visits; Invitations constantly flow to official US memorial and anniversary services; An unforgettable trip to Guantanamo Bay.The world moves on, but for Simon and other victims, the aftermath remains. Even years later there is not one hour of the day when Simon is not reminded, in some way, of the 9/11 attack.9/11 and the Art of Happiness is not only his family story, but also a thoughtful reflection on the art of forgiveness and letting go of bitterness and hatred.