First, whether as several courts of appeal have held, all Apprendi errors including Erlinger violations should be treated as trial errors subject to the harmless error test from Neder, or, whether, as the Third Circuit has held, at least some Apprendi errors should be treated as sentencing errors and evaluated under the harmless-error test from Parker v. Dugger, 498 U.S. 308 (1991)?

Second, whether 18 U.S.C. § 922(g)(1) comports with the Second Amendment?

Whether Apprendi errors under the Armed Career Criminal Act should be treated as trial or sentencing errors, and whether a firearms possession statute comports with the Second Amendment