It was US intervention in the Middle East, say the Saudis, that led us to create first al-Qaeda and then ISIS. The US attack on Iraq tipped the balance in the region in favor of Iran and counter-measures needed to be taken. This is nothing new. The CIA helped create and back the Mujahideen in Afghanistan to counter the 1979 Soviet invasion. And the CIA knew about (at the least) Saudi plans to counter Iran's rise in the region and the uncertainty produced by US-instigated "Arab Spring" beginning in 2011. The lesson? Interventionism has consequences, some intended and some unintended. Usually counter to the stated objectives. Trying to order the world, the central planners have only created chaos.