Does the Sixth Amendment's right to a jury trial prohibit courts from using acquitted conduct to vary significantly upward from a Sentencing Guidelines range and impose a sentence as if the defendant had actually committed the crime for which she was acquitted?

QUESTION PRESENTED FOR REVIEW Does the Sixth Amendment’s right to a jury trial prohibit courts from using acquitted conduct to vary significantly upward from a Sentencing Guidelines range and impose a sentence as if the defendant had actually committed the crime for which she was acquitted?