I don't. I'm frankly surprised he's still alive, given that his shocking diet and indolent lifestyle are a sure-fire recipe for an infarction or thrombosis.
If he runs, it will be for the same reasons he ran last time. Being old does not always mean being too feeble or too mentally impaired to pursue goals. I hope we have two better choices than we had in 2020, but younger does not automatically mean better.