Ex - CIA director Michael Joseph Hayden : The sectarian strife in Iraq was predictable . He says the background of the president and prime minister set conditions for tension and violence . Presence of U.S. troops has calmed conflict zones around the world , he says . Hayden : Withdrawing troops may have fulfilled campaign promise , but move was too risky .
Ex-CIA director Michael V. Hayden : The sectarian strife in Iraq was predictable . He says the background of the nation and prime minister set stage for tension and violence . Presence of U.S. troops has calmed danger zones around the world , he says . Hayden : Withdrawing troops may have fulfilled campaign promise , but move was too risky .