Sheldon Richman on Obama's Flawed Exit Strategy for Iraq

In his official remarks about the end of the U.S. occupation of Iraq, President Obama told an assembly of troops, "Your service belongs to the ages. Never forget that you are part of an unbroken line of heroes spanning two centuries." Sheldon Richman notes that if you only heard those words, you'd never know that a signature of Obama's 2008 campaign was his assertion that the invasion and occupation of Iraq was a terrible mistake. What changed to make Obama talk about an aggressive and unnecessary war in this new way?