LISTEN 
Chris Sperring goes to the River Dart in Devon to look for mandarin ducks.
Fergal Keane talks to individuals who through conviction or circumstance have been forced to take a stand for what they believe in
Fergal Keane talks to Mohsen Sazegara.
Fergal Keane talks to Jean-Robert Cadet, a former Haitian child slave.
Fergal Keane talks to Suzanne Hook about her decision to found an orphanage in Vietnam.
Tue 21 Dec 2010 21:30 BBC Radio 4
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