Since the election of Trump, everyone is talking identity politics, whether as activists for various radical ideologies, or as critics of such ideologies and their many absurdities. Generally we can see a left/right split. On the left, we have feminism, the so-called wage gap, the pink tax, #MeToo, anti-racism, gender discrimination, trans activism, Black Lives Matter, Antifa, the free speech 'debate', cultural appropriation, etc. On the right, we have white nationalism, and that's pretty...