22 May 14
...a quintessential human spirituality topic.
http://www.bbc.co.uk/podcasts/series/r4friendship/all#8784995465539396
A thoughtful and sweeping series of short radio documentaries from the BBC.
"Five Hundred Years of Friendship: Dr Thomas Dixon presents a history of the changing meaning of friendship over the centuries."
First episode is at the bottom of the page.
Highly recommended.