The cost of bringing America-style justice to Saddam Hussein in lives and treasure is unsustainable. Talk about overkill. This war could have been ordered in Dallas' Neiman Marcus' store and would have been cheaper.
Teaching kids about money can start with some coin worksheets and then you can combine that with some lessons in math by finding a math worksheet that discusses money. If you aren't looking online for educational resources then coloring books are another free resource online, with many coloring pages in a variety of themes.