<http://schema.org/description>
"Presumptive Republican presidential nominee Sen. John McCain is walking a tightrope with his alliance to the unpopular current U.S. president, analysts say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/2008/07/22/McCain-walks-tightrope-on-Bush-support/UPI-37401216739542/>