by Dr. Donald DeMarco

We are rational animals, let us reiterate.  This is not a matter for debate.  In fact, it explains why people have developed a long list of invectives for those whose thoughts and actions deviate noticeably from a rational standard:  “airhead,” “blockhead,” “knucklehead,” “lunkhead,” “dimwit,” “moron,” “idiot,” “lamebrain,” “dumbbell,” “dolt,” “not the sharpest knife in the drawer,” and so on…