<http://schema.org/description>
"A total of 3,500 cops will watch over 36,000 runners and an estimated million spectators, one year after deadly terrorist attacks; police say all bulky bags subject to search"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cbsnews.com/news/boston-marathon-security-presence-to-double-this-year/>