Paris L. McLean, head of Lower School (K-4), Princeton Academy of the Sacred Heart and a First Generation college graduate, will lead a program at the YWCA-Princeton on the racial implications of code-switching on December 5, 7:30-9 pm in the Bramwell House Living Room, YWCA, 59 Paul Robeson Place.  rsvp@ywcaprinceton.org.