Our guest is Janna Levin, the noted scientist and author who's also a Guggenheim Fellow and a professor of physics and astronomy at Columbia University's Barnard College. On Tuesday night, October 2nd, she will deliver a University of Tulsa Presidential Lecture at 7:30pm in the TU Reynolds Center. Levin's latest book, now out in paperback, is "Black Hole Blues" -- and she'll draw from this book (musing on everything from the characteristics of black holes to the ageless union of art and science