. >> joining us now is craig holman, with a consumer advocacy organization. craig it mentions a key figure in the documentary, ali bahrami. in that role he signed off on the dreamliner batteries, he later signed them back into the air, after the airline was grounded. and he retired and was vice president of the aerospace organization. and has being lobbied in the legislature for more aerospace tri freedom. >> it may be common but doesn't make it any less alarming. this is a typical case of one of the most pernicious and effective forms of influence peddling on capitol hill. what we've seen is boeing and the faa develop a very close relationship that does put a risk on passenger travel on boeing air crafts . the revolving door works two different ways. first of all you have the corporation or the airline industry trying the get their friends on the faa in key positions. and that's called regulatory capture. that's the company taking over those who are supposed to oversee the company . then you have the regular revolving door, where key officials can get a lucra