Iraq's Sunnis need to be brought back into the fold. They need to feel as though they have a stake in the success of Iraq rather than a stake in its failure.

Beyond Iraq, I am also profoundly worried about the continuing meltdown of Syria, which is a geopolitical Chernobyl. Until it is capped, it is going to continue to spew radioactive instability and extremist ideology over the entire region.

Iraq is a country I came to know well and the place where I spent some of the most consequential years of my life.

David Petraeus Quotes