Maybe 100. As long as Americans are not being injured or harmed or wounded or killed, it's fine with me and I hope it would be fine with you if we maintain a presence in a very volatile part of the world where al-Qaeda is training, recruiting, equipping and motivating people every single day.
When asked about a Bush statement that U.S. troops could be in Iraq for 50 years
As reported by CNN (3 January 2008)