It's serious <a href=" http://www.minag.gov.mz/index.php?purchase-trental.pdf#floored ">order trental</a> On August 20 last year, Mr Obama drew his &ldquo;red line&rdquo;, telling Assad that any use of toxic gas would &ldquo;change my equation&rdquo;. Yet the signs are that Assad&rsquo;s regime has chosen to poison its enemies on a scale unknown since the days of Saddam Hussein.