If America walks from Iraq, it will be challenged everywhere and will have to fight multiple wars or surrender its self-determination or both. Millions will die in those wars. Which future Tony Blair will risk his political life to help America in an unpopular war if
The battle for influence between Bush snr "realists", like Baker, and Bush jnr "warriors", like Cheney, may define the history of the 21st century.
The "realists" are in the ascendant because the issue has not been correctly defined. It's not about Iraq. It's about America.