OAKBROOK, IL: McDonald's made "Super Size It" part of every fast-food junkie's vocabulary, but now it's taking away super-sized offerings as it seeks to better position itself in the ongoing obesity debate gripping the US.

McDonald's announced last week it would phase out super-sized fries and drinks in the US by the end of this year. It positioned the move as an operational decision, part of a simplification of its menu.

But observers saw the move as a PR play, especially ...