SAN FRANCISCO (AP) — Elon Musk plans to lay off most of Twitter’s workforce if and when he becomes owner of the social media company, according to a report Thursday by The Washington Post. Musk has told prospective investors in his Twitter purchase that he plans to cut nearly 75% of Twitter’s employee base of 7,500 workers, leaving the company with a skeleton crew, according to the report. The newspaper cited documents and unnamed sources familiar with the deliberations.