Sen. Ted Cruz (R-Texas) sent a letter to the nonprofit operator of Wikipedia alleging a pattern of liberal bias in articles on the collaborative encyclopedia.

"I write to request information about ideological bias on the Wikipedia platform and at the Wikimedia Foundation," Cruz wrote to Wikimedia Foundation CEO Maryana Iskander in a letter dated October 3. "Wikipedia began with a noble concept: crowdsource human knowledge using verifiable sources and make it free to the public. That's what makes reports of Wikipedia's systemic bias especially troubling."

Citing research from the conservative Manhattan Institute , Cruz wrote that "researchers have found that articles on the site often reflect a left-wing bias." Cruz alleged that "bias is particularly evident in Wikipedia's reliable s

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