Cosmologist Janna Levin, the author of How the Universe Got its Spots, joined Barbara on Saturday night to put forth her controversial concept that the universe is finite.
First Half: A distinguished professor of history at Citrus College, Bruce Solheim has experienced angels, demons, ghosts, cryptids, telepathy, psychokinesis, mediumship, and alien contact. He'll discuss the age-old question of whether we are alone in the universe, time travel,...