<http://schema.org/mainEntityOfPage>
<http://online.wsj.com/articles/kerry-zarif-seek-to-close-gaps-over-iran-nuclear-deal-1405326530>
<http://www.wsj.com/articles/kerry-zarif-seek-to-close-gaps-over-iran-nuclear-deal-1405326530?mod=World_newsreel_2>