Thanks for the help. Everything was up to date. I also tried turning off the plugins one by one, but that didn’t work. I eventually just paid someone on fiverr to fix it. He didn’t tell me what was causing it, but I can’t complain with a $5 fix 🙂
Response was sent to spam filter. Sorry about the delay. Anything I post will be repeated, including embedded clips and images. So, as you said, I wind up with 2 identical posts on the same page.