Every so often I read an incredible article that articulates EXACTLY what I believe and tell my clients everyday. Eric Jackson's Forbes article is one one of those articles.
"A bozo is someone who thinks they are much smarter and capable than they actually are. They constantly over-estimate their abilities and under-estimate the risks and threats around them. They typically don’t keep an open-mind. They look instead for data that confirms a previously held bias."
You need to READ it.