HP. Condi Rice helped to sell us the lie that Iraq had WMD and then continued to lie about it until the day she left office.
Bush, Rice, Rumsfeld, Powell, and the others did not lie to send us to war. They acted on the knowledge they had. Even if Iraq didn't have WMDs, we knew they were capable of obtaining them. Remember that it was the Japanese, not the Germans, who attacked us in WWII, but we still went to war with Germany not only because they declared war on us after we declared war on Japan, and they still posed a threat to global peace and security.