Gassing 40 villages was Saddam's business? Just like it was Hitler's business to gas Jews? Waco was a horrible event for which the government has not been held responsible that should not dictate the rest of your worldview.
The people in power at that time have not paid the price for what they did and probably never will. Janet Reno and Bill Clinton decided going after a group of people who didn't fit with the norm and going after Microsoft was more important than handling Iraq and AQ - even after AQ attacked our country repeatedly on their watch.
The WW2 equations you discuss have nothing to do with war. America didn't get involved with Britain or France because of the Jews.
We got involved because of a direct attack upon us.