http://www.economist.com/news/united-states/21595972-how-sex...
http://www.nytimes.com/2015/12/27/upshot/marriages-of-power-... http://www.economist.com/news/briefing/21640316-children-ric...
http://www.economist.com/news/united-states/21595972-how-sex...
http://www.nytimes.com/2015/12/27/upshot/marriages-of-power-... http://www.economist.com/news/briefing/21640316-children-ric...