The leftist narrative is imploding, they know that their only chance to try and maintain hegemony over the discourse is through violence and intimidation.
The violence seen at UC Berkley in the US is a classic example of what Herbert Marcuse wanted from the naive and gullible students and social misfits that fell for his rhetoric. He wanted absolute intolerance shown to all political and ideological opinions that did not conform to the left-wing narrative. He condoned and encouraged the physical suppression of political opposition to advance the goals of his own ideological worldview.
This is exactly what we see across the West when so-called 'anti-racists' show up to physically attack and shut down Nationalist speeches and marches or even mild speeches given by Conservatives.
They are not interested in debate or challenging the opinions of others, they want to silence them and intimidate people into not expressing their own thoughts and opinions.
Expect riots like this to increase as the left act like cornered rats spewing their venom everywhere ready to bite. The Cultural Marxist ideology is falling apart, the rise of Nationalist Populism will push back the insane agendas forced upon our nations and socities. The only answer the left have is violence which only exposes their own real agenda.
Why do they use violence to silence political opposition you may ask. The answer is very simple, the lefts ideological narrative is built on unstable foundations and they know it. They know that the general public given the opportunity would embrace Nationalism at the drop of a hat. That's why they do everything possible to silence their opponents.
These social misfits are your modern day Bolsheviks . A mish mash of criminals and psychologically unstable rootless nihilists who do the bidding of the establishment they claim to hate without even being even remotely aware of the fact. They are dedicated to the destruction of the social order of the West and its racial and cultural identity, they are the enemy within, the useful idiot fifth column of nation destroying Globalism. 
Another rather amusing aspect of this puerile riot, is that it was organised to prevent a Jewish homosexual who boasts about his ‘black lovers’ from speaking. Are they now the new ‘homophobic anti-semitic racists?’
The point is that this is how the left operates. Whether it be a Conservative they don’t want to speak, a Nationalist, a historian with an alternative viewpoint of history or anybody else that does not conform to their worldview, they will attack in exactly the same way.
Expect more of this as the left continues to devour itself. They are lashing out because they know they are losing the information war and the culture war. 
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