Gallup Poll: (not sure why there's a big space here, but scroll down...)

Range of Support for U.S. Military Action Against Iraq
	Favor	Oppose
	%	%
In general	57	38
If other countries participate in invading Iraq	79	18
If the United Nations supports invading Iraq	79	19
If Congress supports invading Iraq	69	28
If the United States has to invade Iraq alone	38	59
If the United Nations opposes invading Iraq	37	58
If Congress opposes invading Iraq	37	59