Hari Sreenivasan and the NewsHour data team analyze social media for insights on today’s Super Tuesday vote, including: the topics that matter most to Facebook users (racism, discrimination, Christianity and guns), the most-searched Republican candidate on the Internet (Donald Trump),…

As Apple’s standoff with federal courts reignites the debate over privacy versus security, some may wonder just how much American intelligence policies have changed since Sept. 11. Hari Sreenivasan talks with former CIA Director Michael Hayden about the constitutional cost…

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