Who exactly is Antifa? Well its roots trace back to fighting fascists like Mussolini and Hitler, but their definition of fascism has expanded greatly in our day. Join Glenn as he tells the story of where they came from and who they are now.

RADIO

The Singularity? Elon Musk unveils plans to merge human brains with AI

Yesterday, while the rest of America obsessed over President Trump's tweets, Elon Musk announced plans to merge humans with computers using thread-like polymer electrodes implanted directly into the human brain. Musk said that Neuralink, his brain-AI interface startup, will allow humans to "achieve a symbiosis with artificial intelligence" as early as next year. Watch this clip to get more details.