as a professor of urban planning at the university of buffalo, my next guest, henry louis taylor jr.,knows that every day tops grocery stays closed, the risk of people going hungry only grows. professor henry louis taylor, thanks for joining me this evening. you know, many people might be hearing this term, a food desert, for the very first time. but for so many people, the reality of the inaccessibility to nutritious and fresh food might seem like a very distant stretch from a mass shooting. but it's caused this damage. talk to me a little bit about what the impact has been in this community based on this. >> i think the first thing that we must understand is that this was not just a tragedy. it was a double tragedy. it was the tragedy of ten people losing their lives. but it was also the tragedy of the single soul source of food, healthy, affordable foods, especially fresh fruits and vegetables also being closed down. it was a double tragedy. so, the challenge that we're facing on the short-term is how do we get people to the store to shop. and if this is a complicated issue in comm