there s no question that we have our work cut out for us. but this say public health crisis and we re responding. reporter: on capitol hill, drug makers testified over regulation is partly to blame for drug shortages, not greed. manufacturers do not and would never deliberately reduce the supply of essential medicines. reporter: for this family and those like this, political finger pointing will do little good the next time their loved one needs an ambulance. she s an integral part of our family. we wouldn t be the same without her. reporter: president obama supports bipartisan legislation requiring drug companies to report drug shortages to the fda. but so far, congress has failed to act. susan candiotti, cnn, new york. a top world diplomat asked syria s president to stop the carnage in his country. the secretary-general is in damascus meeting president assad. more than 06 people were killed today in fighting across syria. israel launched air strikes against su