Whether the sentencing package doctrine, rather than the concurrent sentence doctrine, must be applied on post-conviction review of a meritorious challenge to an unconstitutional ACCA-enhanced sentence in a multi-count conviction, requiring vacation, de novo resentencing, and application of the current Guidelines?

Whether the sentencing package doctrine, rather than the concurrent sentence doctrine, must be applied on post-conviction review of a meritorious challenge to an unconstitutional ACCA-enhanced sentence in a multi-count conviction, requiring vacation, de novo resentencing, and application of the current Guidelines