How was it allowed to happen? How did politics in the United States come to be dominated by people who make a virtue out of ignorance? Was it charity that has permitted mankind’s closest living relative to spend two terms as president? How did Sarah Palin, Dan Quayle and other such gibbering numbskulls get to where they are? How could Republican rallies in 2008 be drowned out by screaming ignoramuses insisting that Barack Obama is a Muslim and a terrorist?