we spoke to rereesentative tim murphy, chairman of the house energy, commerce, and oversight committee, about the biowatch terror surveillance warning system. and why we should be concerned. rep. murphy: well, because of the high profile of the super bowl and concerns about any terrorism attack of any sort, biowatch monitors will be present in that area for detection if anything is released or if there's any risks there. the usefulness of them is questionable, but they're there. a biowatch monitor is something that filters the air -- think of it as sniffing the air -- and then it takes some samples, and those samples then go off to a lab. and then those labs then analyze what's in the samples s d they make some determinations if they are some pathogens, some biological aspects which can cause harm to people. it's not a very effective and efficient program. look, if there is a disease that's released into that air, whatever that is, and people can spreads fast, you're looking at mortality rates in the first 12, 24, 36 hours, which could rapidly ramp up especially if it's something easil