Whether Mr. Mentor established cause to overcome procedural default of his 'ordinary-case' vagueness challenge

QUESTIONS PRESENTED I. Whether Mr. Mentor established cause sufficient to overcome the procedural default of his “ordinary-case” vagueness challenge to his convictions under 18 U.S.C. §§ 924(c) and (j), because that constitutional claim was “not reasonably available” prior to Johnson v. United States, 576 U.S. 591 (2015). II. Whether the Eleventh Circuit misapplies this Court’s precedents in MillerElv. Cockrell, 537 U.S. 322 (2003) and Buck v. Davis, 1387S. Ct. 759 (2017), by holding that a certificate of appealability may not issue in the face of adverse circuit precedent, even where the issues are debatable among jurists of reason and are the subject of a circuit-split. i INTERESTED PARTIES Pursuant to Sup. Ct. R. 14.1(b)G), Mr. Mentor submits that there are no