Kissinger and Schultz know what they're talking about. So does Wretchard.
You might think that the latter contradicts the former on a certain point. Superficially, I can see how it would seem so, but only if you haven't thought it through.
You see, although they may look at the current situation from slightly different angles, what both have in common is a deep understanding of the appropriateness of the invasion of Iraq and ouster of the Hussein regime initiated by President Bush in the spring of 2003. This becomes more clear with every passing day.