SAN FRANCISCO — Facebook said on Friday that Donald J. Trump’s suspension from the service would last at least two years, keeping the former president off mainstream social media for the 2022 midterm elections, as the company also said it would end a policy of treating posts from politicians differently from those of other users.The social network said Mr. Trump would be eligible for reinstatement in January 2023, before the next presidential election. It will then look to experts to decide “whether the risk to public safety has receded,” Facebook said. The company barred Mr. Trump from the service after he …
