A little-noticed concurrence in denial of certiorari by Justice Clarence Thomas may have caused a wrinkle in the ongoing net neutrality debate. Late last month, the Supreme Court quietly declined to review Lipschultz v. Charter Advanced Services (MN), LLC, an Eighth Circuit decision preempting state VoIP regulation. While concurring in the denial, Justice Thomas raised concerns about the underlying theory of federal preemption, noting that “[i]t is doubtful that a federal policy – let alone a policy of nonregulation – is” sufficient to support conflict preemption. Justice Thomas’s concurrence – joined by Justice Neil Gorsuch – casts an interesting shadow on the debate over preemption of state net neutrality efforts. Until recently, states h...