While Ukraine is under assault, Biden is at home in Delaware swimming in his indoor pool. The word is that he has a dead relative but I have been unable to find which relative. The media is pretty close mouthed. Okay. My grandmother died in 1979 when I was in the Persian Gulf. She helped to raise me. She taught me to read. She taught me math. There was never any question that I would leave my duty station to be at her funeral.
The White House is better defended that his house in Delaware. Putin is a little irrational right now. Suppose he decided to take out Biden just prior to something else up his sleeve. So the secret service would have to defend an A frame house rather than the stone walled White House. I guess the powers that be don't think that losing Biden would hurt national security much.