Over the past century, assassinations of heads of state and other prominent leaders such as the Kennedy brothers and Martin Luther King Jr. in the United States and Rabin and Egyptian President Anwar Sadat in the Middle East have shifted the course of history one way or another.
The full consequences of yesterday's assassination of former Pakistani Prime Minister Benazir Bhutto remain to be seen. But some experts worry what impact the event will have in an era where conflict driven by religious extremism transcends the nation state.