Lomax v. United States

(1) Whether, pursuant to Kisor v. Wilkie, courts are obligated first to determine whether a sentencing guideline is ambiguous before affording deference to the Sentencing Commission"s commentary interpreting the guideline; and (2) whether courts may defer to the Sentencing Commission"s commentary to U.S.S.G. " 4B1.2(a)(2) that expands the guideline's definition of "crime of violence," which includes only specified completed offenses, to include inchoate offenses.