My apologies if this has already been posted, but my Find function didn't, well...find it, so:

"We should not march into Baghdad . . . . To occupy Iraq would
instantly shatter our coalition, turning the whole Arab world against
us, And make a broken tyrant into a latter-day Arab hero . . . assigning young soldiers to a fruitless hunt for a securely entrenched dictator and condemning them to fight in what would be an unwinnable urban guerrilla war. It could only plunge that part of the world into even greater instability."

Former President, George Bush, in his 1998 book "A World Transformed", co-authored with his National Security Advisor, Brent Scowcroft

Looks like little Dubya didn't pay attention.