Nothing the Democrats are doing is to prevent Trump from running.
It's to prevent him from winning the 2024 election by being perceived as toxic by independent and swing voters.
They want him to be the nominee, albeit damaged by scandal, investigations, and controversies.
They're playing you all like a fiddle.
List of U.S. Presidents by age: https://www.usatoday.com/story/news/politics/2022/11/20/biden-age-birthday-oldest-us-presidents/10728470002/ ... Biden was the first to turn 80 while in office. Trump’s not far behind.