Come on man! (well, come on Les!) Two things can be equally true. And I'm sure liberals would not be smart enough to push both buttons at the same time.
IQ is only a study of how well you book learn in a classroom environment. Its also relative so the average person of a generation is 100 IQ. Above average is 110+ below average is around 90-. So if IQ's are going up then the average would go up. So what you are saying is just factually impossible.