https://www.scconline.com/blog/post/2018/09/29/the-judge-need-not-write-extensively-if-the-context-and-the-record-make-clear-that-the-judge-had-a-reasoned-basis-for-reducing-the-petitioners-sentence-united-states-supreme-court/
Judge need not write extensively if "context and record" make clear that Judge had "a reasoned basis" for reducing petitioner's sentence: SCOTUS