marion jones never tested positive because of the designer steroid. there are a lot of ways to get by the tests. the drugs that manny ramirez took. he didn't fail a test. major league baseball to their credit caught him in an investigation. there are a lot of things you can do and not test positive. >> lehrer: and still do it as we speak. >> you can still do it. the drugs that manny ramirez was taking is a female fertility that in men raises your own level of your test test. they don't check for that. there's a lot of things that you can do with urine testing. the testing in the different leagues is very different. there's been criticism of the out of competition testing in some of the leagues. your testing has to be incredibly rigorous. there's loopholes at the moment because of the technology. >> lehrer: david epstein, thank you very much. >> thank you. >> brown: a major earthquake shook the caribbean nation of haiti just west of port-au-prince. wire reports told of dozens killed or injured. cnn reported the presidential palace collapsed but the pre