They gave the UN plenty of time to verify it last time. Hans Blix was run off his damn feet inspecting Iraq, and he kept coming back saying there wasn't anything there every damn time. The US, in spite of his non-findings, chose to invent evidence where there was none to justify an attack. It was like a news station with an on-the-spot reporter telling us that it was sunny, summer day, and the anchor man correcting him by saying 'Actually, we have some anecdotal evidence that it's actually snowing there right now, so we're going to go with that.'