Whether a district court commits plain error by not waiting the fourteen days allotted by 28 U.S.C. § 636 prior to adopting a magistrate's Report and Recommendation

QUESTIONS PRESENTED . . Whether a district court commits plain error by not waiting the fourteen . days allotted by 28 U.S.C. § 636 prior to adopting a magistrate's Report and Recommendation. Did the appellate court err in relying on unsworn attorney statements to affirm the conviction and defeat claims of actual innocence? Is there a miscarriage of justice exemption to plea agreement appellate review waivers? i