<http://schema.org/description>
"Alan Stern, associate administrator of NASA's science mission directorate, said Wednesday he is leaving the National Aeronautics and Space Administration."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2008/03/26/NASA-science-mission-director-resigns/UPI-25731206552659/>