Ironically, Intelligent Design in itself is just more proof that the Theory of Evolution is correct. James K. Galbraith makes the point here:
And as for the raw merits of the debate, consider this easy proof of evolution's explanatory power. Intelligent Design cannot explain Darwinian evolution. Darwin's whole point is that variation and change are random and without higher purpose. We cannot imagine that God designed the disproof of his own existence.
But can evolution explain Intelligent Design? Easily. After all, it was less than a century back—when William Jennings Bryan prosecuted (and Clarence Darrow defended) the Scopes case—that the fundamentalists Bryan represented demanded that only a literal biblical account of creation be taught in public schools. They didn't want evolution taught at all. Bryan won in court, but in the schools Darrow and Darwin ultimately prevailed.
And what is Intelligent Design, now seeking its niche in a culture conditioned by tolerant and pliable minds, which pretends to want a peaceable coexistence with evolution rather than to supplant it? What is it indeed, if not the mutant offspring of creationism, born into the world that evolution made? It's a political adaptation. Q.E.D.