Mark yr calendars: Thursday  April 5th is the 2012 Lewis Mumford Lecture on Urbanism  to be given by New York City Department of Transportation Commissioner Janette Sadik-Khan The 8th annual lecture is presented by the Graduate Program in Urban Design  Bernard and Anne Spitzer School of Architecture at City College of New York (CCNY)  and will be held in the Great Hall of Shepard Hall at CCNY  Convent Hall at 138th Street