Online publisher Medium has told its employees that they are free to take Friday off to participate in a nationwide immigration strike . Medium's CEO , Tony Stubblebine, said in a series of messages in the company's general Slack channel that he had "started the week in my own head and heart" over the situation in Minneapolis. Protests have broken out in the state after the fatal shootings of Renee Good and Alex Pretti. "But also it gives me hope to see people across the country stand up and