John Mack Picks Up East 70th Townhouse
• Morgan Stanley CEO John Mack and his wife Christy appear to be the mystery buyers behind last month's purchase of the limestone carriage house at 165 East 70th Street. The 107-year-old home, which was sold to Mack in "distressed condition" for $13.5 million—and which comes with a 12-car garage, believe it or…

