Are you curating your feed or is something else? A medical professional at a friend’s party recently asked if I’d had any contact with a mutual acquaintance. No, not since before the pandemic. But I’d been horrified a year or so earlier when I glanced at her Facebook page and found a stream of anti-vax and “do your research” style postings. He knew. It’s why he asked. He’d run into her at the gym. She told him she’d not received the Covid shots and had lost friends over it. And she’d been a medical professional as well. What happened? Perhaps the isolation during the pandemic. Perhaps too much time exposed to an algorithmically generated diet of such stuff. David French this morning cautions about the dangers of creating our own curated bubble realities. Conspiracy theories have been with us forever. Rachel Maddow’s “Prequel” recounts tales of Depression-era Americans convinced that Jews and communists had taken over the government. They stockpiled canned good and weapons for when the Jews came marching down the street to make slaves of them. They planned an insurrection to put in place a strongman who’d bring fascist order. If the parallels to today are eerie, Maddow means them to be. What’s different today, French suggests, is the sheer ubiquity of such alternate realities. They are no longer the hobby interests of a few cranks, but redefine their world views (New York Times, gifted): There is a fundamental difference between, on the one hand, someone who lives…