If you are inter­est­ed in edu­ca­tion reform, social entre­pre­neur­ship and ven­ture phil­antropy, grab a nice cap of tea or cof­fee and enjoy today’s spec­tac­u­lar edi­tion of the New York Times Mag­a­zine. Must read: insight­ful expert dis­cus­sion on How Many Bil­lion­aires Does It Take to Fix a School System? Also: excel­lent pieces titled Self-Made Phil­an­thropists, on…