Should standards other than the knowing and voluntary waiver standard of Brady v. United States govern the enforcement of appeal waivers in plea agreements?

QUESTIONS PRESENTED 5 SHOULD STANDARDS OTHER THAN THE KNOWING AND VOLUNTARY WAIVER STANDARD OF BRADY V. UNITED STATES GOVERN THE ENFORCEMENT OF APPEAL WAIVERS IN PLEA AGREEMENTS? II. SHOULD AN APPELLATE COURT ENFORCE A_ CRIMINAL DEFENDANT'S APPEAL WAIVER WHERE THE SENTENCING COURT USES AN IMPROPER SENTENCING GUIDELINE THAT SUBSTANIALLY INCREASES THE SENTENCING GUIDELINE? i