By Doug Cunningham

Reacting to five U.S. Airways crew members being sickened by carbon monoxide fumes on an aircraft, the Association of Flight Attendants-CWA says it could have been prevented. Union president, Pat Friend says poor cabin air quality has been an issue front and center for the AFA-CWA for years. Friend says efforts to improve cabin air quality on flights has been thwarted by airlines management and the Federal Aviation Administration.