patients like paul senegal. until two years ago, he had a job as dock worker and was in the best of health. but then his legs began to shake. a neurological disorder. >> dr. walkes, i used to at least stand on my legs. i can't even stand on my legs no more. >> you can't stand on your legs at all? >> no sir, i can't. >> clearly paul senegal is in bad shape. for the past two years, dr. walkes has tried in vain to convince specialists to at least look for the cause of paul's disorder. paul has come to the clinic on a lawn mower. his sister gave him $2 for gas. he has a car but the disease is gradually causing paul to go blind. he can hardly find the ignition. he carries all his important documents with him in a drinks holder. dr. walkes' team is helpless in the face of paul's worsening condition. specialists and private clinics often refuse to treat sick patients for the low standard fee. >> you know the public doesn't really realize that there's a working population that cannot get health care, that cannot really