reporter: yes, cheese. these are the streets of reggio emilia italy, home to parmesan. there have been so many theftds vic ari explained, vicari explained cheese say bit like gold, the price is so high. exhibit a, a single wheel of cheese can sell for over $500. the staple of spaghetti dinners everywhere is the economic backbone of these small italian towns. parmesan is so valuable that it is used as collateral for loans. believe it or not, this is a bank. its vault filled with more than $120 million worth of cheese. to be certified parm begano reggiano it must age for a year that means cheese a lot of it is stacked up in warehouses on small, rural unprotected farms. lorenzo pinetti showed us how
glee imagine your child is severely ill, and there is no antibiotic that can help them. drug-resistant superbugs are becoming more common. it s called a fundamental threat to human health. tonight nbc s dr. john torres takes inside the military s highly secured lab, helping lead the fights against superbugs. reporter: these are some of the last photos of simon sparrow taken just before the 18-month-old suddenly became ill and died.
12 hours you said? yes ma am. that s really good. rude for me to speej with my mouthful i know that. en the fourth of july where be could you we will give you a pass. if you you barbecue plans for the last minute next guest has the perfect tip. next chef mark bailey cooking in boxers. happy july 4th. we don t need to see any more of that. we are grilling. we are getting into it. first off on the menu, what are we cooking up first here. theted s start with burger. good gouda slider. chipotle sauce goes well with gouda cheese, barbecue sauce, those three ingredients. chipotle what was the second one chipotle soup,