Larry Sanger, a co-founder of Wikipedia, warned that the online encyclopedia is “more one-sided than ever” in light of the website’s entries for Black Lives Matter, the 2020 election, former President Donald Trump’s two impeachments, and other contentious topics. Sanger, in particular, took issue with how some Wikipedia entries are sourced. “In short, and with few exceptions, only globalist, progressive mainstream sources—and sources friendly to globalist progressivism—are permitted,” he wrote in an article on his website. Several centrist news outlets like The Daily Telegraph, The Wall Street Journal, and The Weekly Standard are sometimes allowed to be sourced, he said, but Wikipedia editors are “careful never to leave the current Overton Window of progressive thought.” Unlike Facebook Inc. and Twitter, which take more top-down approaches to content moderation, Wikipedia, which turned 20 years old earlier this year, largely relies on unpaid volunteers to handle issues around users’ behavior, editing entries, …