u.s.a what are you thinking

as an non american and a non driver myself i a curious about something .some american are always whine on about the age of the current president and due too his age his not fit too run your country due too his mental capability. then i read you have a ninety seven year old former actor who yesterday lost control of his car and hit a wall .where it the clarity van dyke should not be behind a wheel he is a danger to fellow drives and pedestrians around him . why is van dke driving at this age do not get me wrong it is good he has got too this ripe old age . your eye sight and mental sharpness must be nowhere as good behind the wheel and people who wish to carry on driving at that ae should they not be too take a yearly test too see if they are competent too carry on behind the wheel