Sign up for the daily CJR newsletter . It has been almost a week since the United States and Israel began bombarding Iran in a coordinated military assault that President Donald Trump has said will last at least four weeks. The death toll in Tehran has already risen above a thousand people, and there is still a lack of clarity from the administration on the justification or objectives for the war. The country, battered from months of widespread government protests and a brutal crackdown that left more than seven thousand people dead, has been plunged into another near-total internet blackout. The ability of Iranians to communicate with one another or to get reliable information out of the country is severely limited.  As I wrote here in January , Iran was already an extraordinarily difficult environment for journalism. Since the offensive began, it has gotten dramatically worse.…