Though your broader point holds, they did in fact find WMDs in Iraq, but it wasn't really big news (or especially serious weapons)
https://en.wikipedia.org/wiki/Iraq_and_weapons_of_mass_destr...
https://en.wikipedia.org/wiki/Iraq_and_weapons_of_mass_destr...
>President Bush, Vice President Cheney, Condoleezza Rice, Donald Rumsfeld, Colin Powell and George Tenet, to name a few leading figures, built support for the war by telling the world that Saddam Hussein was stockpiling chemical weapons, feverishly developing germ warfare devices and racing to build a nuclear bomb. Some of them, notably Mr. Cheney, the administration's doomsayer in chief, said Iraq had conspired with Al Qaeda that Saddam Hussein was connected to 9/11.
1: http://www.nytimes.com/2005/11/02/opinion/remember-that-mush...
Which is true.