Obama's strategy was to claim credit for a "stable Iraq" that he inherited from Bush after the surge worked - that Obama was against. 

Then withdraw all U.S. forces leaving an open field for ISIS to establish themselves and take over. Then run out the clock doing a  military dog and pony show until he could dump the problem in President Hillary's lap.

In the meantime invading Libya - another oil rich Arab country that never attacked us  and had nothing to do with 9/11 - as he criticized Bush for.