DUDE, LIKE, WHERE'S THE SUPERSIZE KEY? McDonald's are discontinuing the super size portions. This explanation is telling: "This is also an effort to speed up McDonald's service. The less [c.q.] buttons on the cash register, the more efficient the crew people can be." So says former McDonald's executive, Richard Adams, now a business consultant. What better indictment of the education establishment can there be than the discovery that even a dumbed-down cash register with pictures of the food items on each key can be too complicated for a McDonald's employee.