"""Food for Thought"" is the bi-monthly literary talk show here on SDPB Radio. This week, we'll find out how South Dakota celebrated the 100th birthday of Dr. Seuss. We'll also discuss a book called ""The Emptines of Our Hands: A Lent Lived on the Streets"" with authors Phyllis Cole-Dai and James Murray. The two lived voluntarily on the streets of Columbus, Ohio for 47 days and recount their experience in this book. "