Communism's biggest problem is that it relies on human ambition being turned aside and forgotten. Marx wanted to start a revolution, but revolutions ALWAYS, ALWAYS need leaders, and in order for Communism to work, those who have just led the revolution must then immeditately step down and no longer dominate, which to the best of my knowledge has never happened.
I think some ideas of socialism are wonderful and make life better, but I severely doubt we'll ever see the day where Communism or socialism works to any large extent.
Take care all.
