Commentary That political commentator Dave Rubin of “The Rubin Report” has been locked out of Twitter for writing something that is at the very least arguably true—that there are serious questions about the COVID-19 vaccines—is among the most unsurprising news of the day. It’s what Twitter does on a regular basis—censors opinions it doesn’t agree with from sources high (the 45th President of the United States) and low (just about anybody). Rubin’s supposed malfeasance was to write the following, which was deleted: “They want a federal vaccine mandate for vaccines which are clearly not working as promised just weeks ago. People are getting and transmitting Covid despite vax. Plus now they’re prepping us for booster shots. A sane society would take a pause. We do not live in a sane society.” I would agree, but that’s not the point. The point is Twitter’s behavior. Who can forget its banning of the …