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The article from "MSNBC" is about how the American public has historically been opposed to those labeled 'socialist'. However, that relationship seems to be changing. A Seattle council women recently got elected despite the fact that she is a self proclaimed socialist.
In the article, she makes the point that the best way to describe socialism in a condensed medium is to contrast it with Capitalism. I agree. I also think that the best way to promote socialism is to show the negative results of Capitalism, the greatest of which is extreme wealth inequality.
I think it is taken for granted within our society that Marx was wrong. He wasn't. Most critics point to Russia, China, or Eastern Europe to show that the effects of communism are bad, therefore communism doesn't work. The reason why this is not proof indicating that Marx was wrong is because the governments in all 'communist' societies hitherto in history have actually not been Communist, at least in the original Marxist sense of the word.
Essentially, the idea of Communism is to use the riches resulting from both the Capitalist society before the proletarian uprising, and from the scientifically planned Socialist system occurring after, to provide for everyone equally. If everyone is equal, then there will not be any reason to need a police force, a military, any substantial amounts of government, organized education, or any other institutional organization. Essentially, pure-Communism is actually anarchy, that is complete lack of government.
The way in which Communism intends to make everyone equal is through abolition of all private property. Everyone's needs, including recreational needs, will be provided for. They will not be provided by the state, because in pure-Communism there is no state. Essentially, everything will be commonly possessed.
In anarchy what is preventing the criminals from committing crimes and the murderers from murdering? Basically, the lack of overall incentive is the reason an anarchy wherein everyone is equal isn't total chaos. The vast innumerable amount of the world’s problems have their synthesis in jealousy originating from a tangible, materialistic cause. The elimination of ownership will therefore truncate the coalescence of new jealousies. The rapaciousness of humanity ends with the eradication of jealousy. Ergo, the very fact Communism repudiates the concept of materialistic ownership, also leads Communism to be a vastly more safe than any other system thus far in history.
There is a school of neo-Marxists called the Frankfurt school if anyone is interested in contemporary Marxism.
Probably the biggest reason to be pro-socialism is the inherent flaws in pure Capitalism. The reason Capitalism, in the Smithsonian sense, is inherently flawed is it relies on the assumption that humanity is by-enlarge moral and incorruptible. Adam Smith after all was first-and-foremost a moral philosopher. Laissez-faire capitalism doesn't take into account the tendencies of wealth to corrupt, or the fact that some people will act contrary to the interests of society. In laissez-faire capitalism (or rather the closest thing that there has been so far in history) the concentration of wealth will consolidate into fewer hands over time inevitably.
Capitalism, in a laissez-faire sense, is characterized by the wealthy lording over the non-wealthy. It is a system which becomes unfair, immoral, and is overall detrimental towards society. It suppresses the arts and freethinking, it is anti-reform, anti-regulation, and anti-involvement. It is a system designed to get the rich richer and poor poorer. Capitalism is a system in which the proletarians continually become more greatly in debt; in which the workers only further strengthen their own chains by conforming to the system by working under it; in which the hardest of workers, predetermined to live their lives in the slum from which they were born, only work there way deeper into that odious, rat-infested, repugnant death trap; in which the government is a mere puppet more than happy to follow every command, fulfill every whimsy, that the Capitalist asks of it; in which the ultimate destination for the system, the ultimate consequence of the practices aforementioned, is the complete and total divergence from anything resembling fair and balanced. The ultimate destination of Capitalism is a plutocratic, tyrannical, Social-Darwinian, pseudo-Democracy, where the injustices of the system are disguised behind a thin veil of false elections and false freedom. (mic drop)
Relating back to the original thesis, economic inequality is the underlying cause of a majority of our countries problems. Emancipation of humanity, of which economic equality is the largest part, is the goal of socialists. So, socialists seek to ameliorate the world's problems. Problems such as crime rates, health issues, drug addiction, poor education, decreased productivity, political corruption, and unfair treatment of other nations all have their synthesis primarily in economic inequality. Hence, a socialist seeks to relieve these problems.