Social inequalities emerge in every human society. New research into how these hierarchies form suggests ‘prestige psychology’ – the tendency to defer to expertise – is at the root.

Melissa Quinn is a senior reporter for CBSNews.com, where she covers U.S. politics, with a focus on the Supreme Court and federal courts. Washington — Democratic Sen. Mark Kelly of Arizona filed a ...

Fox News senior national correspondent Kevin Corke reports on news of Sen. Mark Kelly suing the Pentagon and Pete Hegseth over punishment for ‘illegal orders’ video on ‘Hannity.’ The biggest myth ...

Sen. Mark Kelly (D-Ariz.) filed a lawsuit against Defense Secretary Pete Hegseth on Monday over efforts to censure the senator and lower his retirement rank after he participated in a video calling on ...

Sen. Mark Kelly, D-Ariz., filed a lawsuit Monday against Defense Secretary Pete Hegseth and the Pentagon, charging their effort to censure and demote him is "unlawful and unconstitutional." Hegseth ...