He will likely go into bomb throwing mode and just call Trump names. It will be interesting if he can make the last half hour w/o falling apart.
Joe has a really aggressive, nasty streak (before dementia - I suspect if he loses control, it would be worse now). I suspect that might come out tonight ... hope he starts calling Trump names. Something along the lines of ‘lying, dog-faced pony soldier’ would work for my entertainment.
Trump’s knowledge will shine.