*DOTARD
"A person, esp. an old person exhibiting a decline in mental faculties; a weak-minded or foolish old person"
Since he seems to be unaware of what he is doing to himself every time he denies what we already know why doesn't someone tell him and make him understand that saying it isn't so doesn't make it not so? If he really believes there is no connection then he has lost his marbles and ought not be in that office. If he doesn't believe it why does he think continuing to deny it is a good thing for him to do?