By Bob Brigham Fears are growing of a violent crackdown in Iran as the government cracks down on the hijab protests occurring across the country. “The largest anti-government protests in Iran since 2009 gathered strength on Saturday, spreading to as many as 80 cities, even as the authorities escalated a crackdown that has reportedly killed dozens of people and brought the arrests of prominent activists and journalists, according to rights groups and news media reports,” The New York Times reported. “In many cities, including Tehran, the capital, security forces responded by opening fire on the…