Hotels and apartment buildings line the Copacabana beach in Rio de Janeiro, Brazil. The head of a sports travel agency specializing in packages for the Rio 2016 Olympics said that the company's business could be devastated if the Zika virus continues to spread. Silvia Izquierdo/AP hide caption

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Donald Trump's paternal grandparents, Friedrich Trump and Elisabeth Christ, came from the southwest German village of Kallstadt. Thomas Lohnes/Getty Images hide caption

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Facebook board member Marc Andreessen, a Silicon Valley venture capitalist who uses Twitter prolifically, has apologized for tweets suggesting he supported colonialism. Kimberly White/Getty hide caption

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