can land in one piece. it won't be easy. more than half of all missions to mars don't make it safely to the surface. one of the biggest headlines during the thanksgiving holidays, do not eat romaine lettuce, and we found out earlier this week that an outbreak of e. coli across the country now seems to be linked specifically to lettuce in california, this according to the fda. more than 30 people were sickened in this outbreak. the fda is hoping to create a new labeling system that would require companies to state where lettuce is from and where it's harvested. the food babe joins me now. you've studied where our food comes from quite a bit so how does an outbreak like this happen. >> it's a really serious situation, especially when someone like the cdc comes out and says throw away your romaine lettuce. do not eat it, and there are so many ingredients in the food supply that harm americans every single day, when you when the dcd comes out with a recommendation like think want to take it seriously.