CHEMICAL, SYRIAN, EMC, CLAIMS, JOURNALIST, REPORTING, JOURNALISTS, AIRSTRIKES, MILITARY, INFORMATION, SURVIVORS, SYRIA, ALLEGED, RUSSIAN, US-LED, AIRFORCES, PRESIDENT, REPORTED, NEWS, WAR, CIVILIANS, WARPLANES, SOURCES, POLITICAL, SARIN, STORY, BBC, SOHR, KINZINGER, NARRATIVE, GOVERNMENT, CLINICS, PRO-GOVERNMENT, MEDIA, HELMETS, BLITZER, AIR, KHAN, FUNDED, MAINSTREAM, ATTACK, OPPOSITION, WESTERN, STRIKES, ATTACKS, UK, WEAPONS, CNN, REPORT, SHEIKHOUN, April 6, 2017 Here it comes again.