I have known this for a very long time and others have hinted at it but now the truth can be told. It has nothing to do with sexism or agism or any other “ism” you want to point to. It’s just a simple, unfortunate fact. Sarah Palin is not very smart. Sorry conservatives but it also has nothing to do with the fact that anyone is scared or her or threatened by her or much of anything else but the facts. This article on the Huffington Post lays it out in simple terms.