Because they're the ones who can believe the lies and BS they spew, making it all the easier for them to deceive people.
you need to be seriously deranged to be a mayor or politician .... There are ignorant people all over of course, I guess politicians just seems worse because when they say something really stupid it is on the news 10 seconds later. But, one time for me and I would keep my yap shut and do my job.
It boggles the mind. Alice in Wonderland.