BONUS DISCUSSION:  Laura Spinney, author and journalist, joins the "Relevant Or Irrelevant" team for episode 630 to discuss Proto:  How One Ancient Language Went Global.

The host for this edition is Jay Swords, and the history buffs are Rick Sweet and Ed Broders.

Opinions expressed in this program are those of the hosts and the guest(s), and not necessarily those of KALA-FM or St. Ambrose University. This program is recorded at KALA-FM, St. Ambrose University, Davenport, Iowa, USA!