When communism was first implemented 100 years ago, people were excited. Western academics and media figures at places like the New York Times praised the ideology even as millions starved. The praise continued even as communist leaders murdered political opponents.

Today, some Antifa activists carry communist flags. Some say communism failed in the Soviet Union because it wasn’t “done right.”

But communism has been tried again and again — in dozens of countries. It always fails.

John Stossel, with the help of Lily Tang Williams, an immigrant from China, explains.