That aspect of the ruling deals with Section 2 of the Sherman Act, and could suggest that a structural remedy lies ahead in Microsoft's future.

CNN: Analysts: Ruling unlikely to change Microsoft

It was an artful way around an inconvenient section of an earlier ruling.

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Had the Supreme Court stepped into the shoes of legislators and allowed Medicaid participants to enforce Section 340B, the ruling would have inspired more than just third-party suits against drug manufacturers.

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