In diverse workplaces and classrooms — such as this one at Connections Education in Baltimore — recent research suggests that adhering to standards of political correctness can actually boost, rather than inhibit, the generation of fresh ideas. Tom Dubanowich/PR Newswire hide caption

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President Obama announces changes to U.S. policy on Cuba, including relaxing restrictions on U.S. banking in the country, in Washington, D.C. on Wednesday. Doug Mills / Pool/EPA/Landov hide caption

itoggle caption Doug Mills / Pool/EPA/Landov

Leslie Roeder of New York City cheers outside New York Gov. Andrew Cuomo's office on Wednesday after the state announced a ban on hydraulic fracturing. Andrew Kelly/Reuters/Landov hide caption

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Sugar, coffee, fruit juice for babies, oil and salt inside a market subsidized by the government in Havana on July 11, 2013. Enrique De La Osa/Reuters/Landov hide caption

itoggle caption Enrique De La Osa/Reuters/Landov

A customer picks up a block of butter at a food store in Tokyo on Nov. 10. Japanese shoppers are up in arms over a serious butter shortage that has forced Tokyo to resort to emergency imports, as some grocers limit sales to one block per customer. Yoshikazu Tsuno/AFP/Getty Images hide caption

itoggle caption Yoshikazu Tsuno/AFP/Getty Images