Nintendo Pushing DS Hard Nintendo is taking handheld supremacy very seriously indeed and to confirm the fact, the company has launched its massive, multimillion-dollar "Touching is good" campaign to spread the word about the innovative, touch- and dual-screened Nintendo DS. The new hand-held video game and communications system launches Nov. 21, and will be backed by the largest launch program ever for a Nintendo product. To view one of the first ads for the device follow the screens tab above.…