Two years after the fact, Elon Musk — ’s megabillionaire new owner — promoted the release of documents showing the company’s internal deliberations about blocking the New York Post’s account over its reporting on Hunter Biden. The new disclosures, touted as “The Twitter Files,” were posted in a lengthy Twitter thread by investigative reporter and author Matt Taibbi (and retweeted by Musk). It’s based on “thousands of internal documents obtained by sources at Twitter,” according to Taibbi — shared with him, it would appear, with the blessing of Musk, the conservative tech mogul who is the world’s richest person. In...