Paul is an ass. This is Obama’s fault, through and through.
It’s the fault of Bush, Cheney, and Obama, through and through.
Our invasion triggered a civil war between Shias and Sunnis, and ultimately brought the Shia’s to power. They allied with Iran (and that happened well before Bush left offfice). They excluded the Sunnis from government, and the Sunnis have now responded by re-igniting the civil war.