In Some Countries, Facebook’s Fiddling Has Magnified Fake Newsbr If he didn’t know about it, what do you think the effects are on other parts of the country?”br In Bolivia, the alterations to the News Feed also occurred in a country where the governmentbr and the press have found themselves at odds, with news sites like Página Siete frequently criticizing Mr. Morales, a left-wing populist who has accumulated enormous power since being elected president in 2006.br “There is no current plan to roll this out beyond these test countries.”br The company did not respond to a list of questions about the Explore program, but Mr. Mosseri said in a statement on Fridaybr that the company took its role as a “global platform for information” seriously.br Vladimir Tirado, a social media expert in Bolivia, said the government might simply begin payingbr for posts to appear on users’ News Feeds, an option that he said most newsrooms could not affordbr The Explore experiment has reduced traffic by 30 to 60 percent at the website of Los Tiempos, the main newspaperbr of Cochabamba, the country’s fourth-largest city, said Fabiola Chambi, the publication’s web editor.br “We became the only media to take on the government,” said Rodolfo Huallpa, the web editor of Página Siete.