<http://schema.org/headline>
"Rockefeller Study: Immigrants Provide Economic Boost, But 4 in 10 Here Illegally"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.arkansasbusiness.com/article/90053/rockefeller-study-immigrants-provide-economic-boost-but-4-in-10-here-illegally>