Allan Ulrich is The San Francisco Chronicle’s dance correspondent. Mark Morris Dance Group and the Silk Road Ensemble: “Layla and Majnun,” 8 pm Saturday, Oct. 1; 3 pm, Sunday, Oct. 2.

Trump explicitly tied his decision to free Ulbricht, who is serving a life sentence, to the support his campaign drew from people who viewed the Silk Road founder as a pioneer and victim of govern ...