least three companies involved ini bp, transocean, and halliburton are the initial targets. investigators are looking into the relationship between the companies and the federal agency in charge of oil drilling. people whose livelihoods are being hurt by the spill are telling their stories to lawmakers on capitol hill. emily schmidt has that story from wash reporter falches from the coast it s impacted us greatly. do you solemnly swear to tell the truth reporter: to the capitol where two different congressional hearings focus on people hurt by the spill. i don t know a single business in our town that has not been directly affected by this oil. reporter: the head of alabama s gulf coast convention and visitors bureau says hotels that are usuall thi wneree io. and this is not a sustainable business model. reporter: the u.s. travel association wants bp to earmark $500 million for a tourism marketing campaign. and in a separate hearing,