A rare look inside the US 'Antifa' movement

The US antifascist movement has been around for decades. But it returned to prominence this summer after a far-right rally in Charlottesville, Virginia where a counter-protester was killed. Our reporter went to meet "Antifa" members, who are often reluctant to speak to the media. Those who agreed to talk to us assert that President Trump has emboldened neo-Nazis and white supremacists. In turn, the Antifa movement appears to be sliding further to the left.