Hold the line, please http://keandra.in.net keandra.com Did Washington warn Damascus to stop? We don芒聙聶t know. But we do know that if it did, it probably would have been dismissed. After all, the Syrians had used gas before. A year earlier, Obama had declared the use of gas a 芒聙聹red line,芒聙聺 and then did nothing about it.