into our fears and tribal instincts. Some examples are Nazism, the Ku Klux Klan, religious wars and the Dark Ages. The typical pattern is to give the other humans a different label than us, and say they are going to harm us or our resources, and to turn the other group into a concept. It does not have to necessarily be race or nationality, which are used very often. It can be any real or imaginary difference: liberals, conservatives, Middle Easterners, white men, the right, the left, Muslims, Jews, Christians, Sikhs. The list goes on and on. When building tribal boundaries between “us” and “them,” some politicians have managed very well to create virtual groups of people that do not communicate and hate without even knowing each other: