That's apparent from this passage in his Iraq speech today.
OBAMA: "Iraq is not going to be a perfect place, and we don’t have unlimited resources to try to make it one. We are not going to kill every al Qaeda sympathizer, eliminate every trace of Iranian influence, or stand up a flawless democracy before we leave.”
Are Buyers Picky?
The S&P 500 in Week 3 of August 2017
Opening Round NAFTA Fissures Over the Meaning of “Substantial”: What’s the Best and Worst That Can Happen?