possible iranian nuclear weapon. i m wolf blitzer and you re in the situation room. he s made a fortune stoking conservative passions while poking and proding at liberals and rush limbaugh has seen his share of controversies but this time it s different. the outrage he sparked when he called a conception advocate a slut and a prostitute has snowballed, one after the other and major advertisers are pulling their ads from his radio show and there s no sign that the uproar is dying down. lisa sylvester is working the story. what s the latest on rush limbaugh and all his advertisers? reporter: hi, wolf, we re up to at least eight advertisers walking away from the show. today on his radio show, limbaugh apologized for his choice of words but does he seem concerned about losing those advertisers? the answer is, no. thank you. reporter: the reaction was swift and fierce, advertisers are pulling spots from the rush limbaugh show including quicken loans and the latest aol wh