Iranian authorities announced on Monday they will hold public trials for 1,000 people in the capital, Tehran, over the protests that have convulsed the country. The mass indictments mark the government’s first major legal action aimed at quashing dissent since unrest erupted over six weeks ago. Iran’s state-run IRNA news agency quoted judicial officials as saying that a thousand people who had a central role in the protests would be brought to trial in Tehran alone over their “subversive actions,” including assaulting security guards, setting fire to public property and other accusations. The …