STAGE NOTES " 'Freud' headed to the Mercury Theater; Silk Road 'Cabaret' premieres
" DOCTOR FREUD CALLING: Sigmund Freud is on his way to Chicago. Mark St. Germain's Off Broadway hit, "Freud's Last Session" is slated for its Midwest premiere at the Mercury Theater, 3745 N. Southport, with previews beginning March 21. The show, directed by Tyler Marchant, will arrive with its New York cast intact, including Martin Rayner as pioneering psychoanalyst Sigmund Freud and Mark H. Dold as on-the-rise novel…