Whether a defendant can "knowingly," "voluntarily," and/or "intelligently," execute an appeal waiver of conduct yet to occur in the proceedings, visa-vis sentencing.

Whether a "miscarriage of justice" exception exists to a valid appeal waiver for errors committed after execution of that waiver.

Whether a defendant can knowingly, voluntarily, and/or intelligently execute an appeal waiver of conduct yet to occur in the proceedings, vis-à-vis sentencing