Great Conversations 3: A Reading and Discussion Group, meets at 1-2:30 pm Tuesday, May 13 at the Baca Center for Senior and Community Activities, 301 W. Bagdad Street, Round Rock. Using an anthology of short readings in fiction, drama, poetry, and essays, the group discusses matters of perennial and universal concern. This month’s discussion will center on excerpts from "An Enquiry Concerning Human Understanding" by David Hume.