The 912 Project had this posted to their website the other day. It explains very succinctly the dangers of communism, fascism, and every other "ism".
Socialism: If you have two cows, you give one to your neighbor.
Communism: If you have two cows, you give them to the government and the government gives you some milk.
Fascism: If you have two cows, you keep the cows and give the milk to the government; then the government sells you some milk.
New Dealism: If you have two cows, you shoot one and milk the other; then you pour the milk down the drain.
Nazism: If you own two cows, the government shoots you and keeps the cows.
Capitalism: If you have two cows, you sell one and buy a bull.