Karen Johnson, co-owner Marcus Books, San Francisco. http://www.marcusbookstores.com/ Helen Taylor, communications director of the CA Academy of Sciences. http://www.calacademy.org/ Laura Ellis, execucitve dir. African and African-American Performing Arts Coalition. http://www.bcfhereandnow.com/AboutUs7.html Allegra Bandy, singer, musician. http://www.allegrabandy.com/ Hosted by Leslie Stovall.