so, here are our two criminals, kelly goodman owns the empty house and greg garrett, the oysters, what'she county's problems? >> they have a zoning ordinance about 450 pages. >> john: on top of the federal laws i showed before there are state laws and there are city laws and county, 400 pages. >> yeah, so, in my case, they came up with the zoning ordinance that they said they could prohibit our oyster farm. even though we have the right to have a pig farm, we have the right to have a buffalo farm, we can grow goats, we can do any type of agriculture. >> john: you're licensed for agricultural and live stock. >> we're zoned, zoned for agricultural and live stock. >> john: oysters seem like less after threat to community about buffalo. >> not only are they not a threat, they clean the bay. we're in a situation where the bay must be cleaned. >> john: how do they clean the bay, how do they clean the water? >> each oyster cleans up to 50 gallons of water per day, of sea water per day, how the oyster grows, takes in water and fits it out. in that there's a purification that takes place. >> john

greg garrett. >> justice kennedy is the one justice that the challengers feel they need to win over. kennedy took up their chief argument sounding skaept calf the healthcare law's broad mandate. he warned the government that it has a heavy burden of justification in mandating that everybody purchase an insurance policy. why should son's decision he asked not to do something force them into a marketplace? he seemed very focused, laser-like on whether this new law intrudes on individual liberties. kennedy seemed concerned that the law fundamentally changes the relationship between the american public and their government. but then suddenly toward the end of these oral arguments kennedy did a complete about face seeming to side with the government suggesting that perhaps health insurance is such a unique marketplace that congress is entitled to make unique action forcing people to buy insurance. antonin scalia was also vocal. he said could the government make people buy certain foods because it impacts the marketplace. this is the so-called broccoli argument. how about forcing people to

greg adams. west point. former prosecutor judge, did a great job. bob rubens. don garrett, i don't think there's going to be an appeal. >> nancy, always good to have you with us. we appreciate it so much, have a good weekend. thank you, nancy. >> we'll have much more on this case tonight on "20/20" at 10:00, 9:00 central here on abc. >>> let's get back over to sam. >> hey, good morning, robin. we head into another day today on this friday of record-setting temperatures all of the way up to extreme boarders here. minneapolis, look at that 76 number. that will be a record. 5 of the last 7 days have been record-setting temperatures up there. chicagoland, just below 80. but that's a big difference from the last two days. you come back to 80 degrees, we think tomorrow so the storms not over. the storms will roll in the areas shaded in red. from oklahoma city to del rio, texas. >> west has a rainy weekend ahead. we'll talk about that in the next half hour. >> happy friday. >> happy friday. >>> we're going to turn to a secret revealed about the pope. benedict xvi has reached out