Have Americans soured on all-you-can eat buffets? In the last few years, a number of high-profile buffet chains have floundered — including Ryan's and Old Country Buffet, which have seen declining sales, and HomeTown Buffet, which filed for bankruptcy in 2016. Joining *Boston Public Radio *to explain these struggles was Corby Kummer, a senior editor at The Atlantic, an award-winning food writer, and a senior lecturer at the Tufts Friedman School of Nutrition and Policy.