Guilt. Ah, yes, that awful, anxiety-ridden five-letter word. Most of us have experienced it. All of us have learned to dread it. But is a little guilt really such a bad thing? This hour, we consider that question and more with a series of guilt (note we did not say “guilty”) experts. We check in with a researcher at the University of Virginia and with a psychologist based in New York . And we want to hear from you, too.