Interesting presentation on how socialism has changed by Dr. Richard Wolff, who is the pre-eminent Marxist scholar in the US. He describes briefly how socialism grew out of critiques of capitalism, how socialism evolved and split in the 20th century, and how 21st century socialism has changed to address the problems with socialism. It gives a look at modern socialist thinking and ideas, so even if you're a strong opponent of socialism, you can use it as the basis of forming arguments against the