<http://schema.org/topics>
"Airport Security,Travel,department of homeland security,dhs,Gadgets,iPhone,Mobile,galaxy tab,terrorism,Travel &amp; Leisure,tsa,Uncategorized,U.S.,World"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2014/07/06/tsa-to-turn-on-cell-phones/>