Is de novo resentencing required where lengthy, fully determinate sentences, primarily based on the discretion of the trial court, were imposed on juvenile offenders without consideration of the 'hallmark features of youth' set forth by this Court in Miller v. Alabama (2012) 567 U.S. 460[132 S. Ct. 2455] (Miller)?

QUESTION PRESENTED Is de novo resentencing required where lengthy, fully determinate sentences, primarily based on the discretion of the trial court, were imposed on juvenile offenders without consideration of the “hallmark features of youth” set forth by this Court in Miller v. Alabama (2012) 567 U.S. 460[132 S. Ct. 2455] (Miller)? i