Austin Bay analyses the potential Iraqi tactic of "hugging the enemy". Conclusion: the military is not motivated enough to pull it off. Too many would welcome the invasion.
The author of "Blackhawk Down" also weighs in. The Mogadishu experience is not a predictor of the assault on Baghdad. Any assault would be a full-scale operation from top to bottom. There would be casualties for sure but it would not be a disaster. And the outcome would be certain.