The worst Zelda game ever made was a divorce settlement, and it exists because of a fight over the exact thing NVIDIA is launching tomorrow. In 1991 the hot new graphics technology was the CD. Nintendo and Sony were building a CD add-on for the Super Nintendo together. Sony unveiled it at CES in Chicago. The next day, Nintendo walked on stage and announced it was doing the CD add-on with Philips instead. Sony's executives found out from their seats in the audience. Then Nintendo backed out of…