It appears tucker carlson is censoring himself. He interviewed a guest about the covid vaccines effect on the brain, published the video and a few days later deleted the video.
It can be found mirrored here : https://rumble.com/v4ndc0t-dr.-michael-nehls-how-covid-and-vaccines-are-rewiring-our-brains-tucker-int.html
Note, you may want to use anydownloader to download the video file in case it gets deleted again.