I'm new to an old post but.....I've said this often enough elsewhere, but there should be a "finishing school" for anyone who aspires to be an American president.....or a European one for that matter. They should be compelled to sit for a plethora of classes on everything from economics to their militaries....and I mean lengthy study..
Secondly, and just as importantly, each candidate should be compelled to sit for an impartial physician's staff who do a work up on those candidates to see if they are physically and mentally competent to lead from the office they aspire to.
Joseph Biden would have failed in epic fashion had that been a criteria.