Three members of the important UN Security Council, Russia, France and China, think weapons inspectors in Iraq should be given more time to do their jobs.
Satellite photographs are evidence says the US
What those countries think is very important, because even if only one of them doesn't think military action should start, the UN cannot back it.
If the UN doesn't agree that Iraq has broken resolution 1441 then the US will have to decide if they are prepared to go to war without United Nations support.