All the links posted are relevant to the topic not usesless spam. They give critical insights often linked to historic references. Nobody possesses all that information in person. Good references are hard to find. So comments without these valuable links are simply opinions. Relatively useless and blocking links an act of censorship. Stupid and at your own expense. As many readers value good comments sections and skip those without. So I'm quite fine with you blocking me:) Shows where you stand intellectually. Your move...