As Davin points out, you need a poll to determine things like "most"
I'm happy to settle for "some" or "lots", where the proof is not quite impossible to come up with.
I think that an Iraqui grinning and welcoming a US soldier, may very well have been part of an angry crowd screaming "death to Bush!", the day before. Depends on who is holding the guns. It will be a while before we find out what Iraquis really think.
Here's an account that might have some truth to it.