Why did nobody see the 9-11 attacks coming? Episode one rewinds history back to 1990 looking for answers. Saddam Hussein invades Kuwait. George Bush Sr sends in the troops. And a quick and decisive victory ensues. But President Bush Sr makes one crucial mistake. Instead of bringing all the troops home, a sizeable contingent is left in Saudi Arabia to stabilize the region. It's a crucial mistake which contributes to the rise of Osama bin Laden.