<http://schema.org/headline>
"Le retrait de Larry Summers \u00E0 la Fed d\u00E9tend les rendements"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.agefi.fr/asset-management/actualites/quotidien/20130916/retrait-larry-summers-a-fed-detend-rendements-118925>