The last time Obama ended the Iraq war he said that all 'combat troops' would return home. That was a signal to observers that the Yanks were in to stay, 50000 strong, as 'trainers' or what not.
Today was a different story. Most of the information I have heard lately is that Iraq is to be cut loose. Effective sovereignty for Iraq: defined in political science as the monopoly over the use of violence. US troops will remain nearby but in Kuwait.
And so now begins a new cold war as Saudis and Iranians support proxies inside Iraq. They will stalemate, for now. But civilians there will continue to die suddenly