Actually that was the reason Bush did not include troops in the Withdraw agreement. The issue of leaving forces was to be negotiated. Eventually Maliki did agree to our terms but Obama did not want to hear it.
Greg Brady wrote:
From what I remember, Obama did try to leave those forces in place, they decided not to when Malaki made it conditional that the troops and other American personal would no longer have diplomatic emunity, having U. S. soldiers subject to Iraqi courts and judges was considered unacceptable, you agree right?