Whether, as preserved, the District Court erred as a matter of (Constitutional) Law in finding Mr. Keen's prior Florida drug convictions qualified as "felony drug offenses" under 21 U.S.C. 851 because, lacking a mens rea element, his prior convictions did not qualify as generic drug offenses.

Whether Mr. Keen's Sentence was improperly enhanced under 21 U.S.C. 851.

Whether Mr. Keen's Sentence is procedurally unreasonable because the District Court improperly counted his two prior Felony convictions separately in determining whether the Career Offender designation applied under U.S.S.G. § 4B1.1(a).

Whether Mr. Keen's prior Florida drug convictions qualified as 'felony drug offenses' under 21 U.S.C. 851