Stephen Sackur speaks with Joanne Liu, International President of M\xe9decins Sans Fronti\xe8res, Doctors without Borders. In early October American forces in Afghanistan fired missiles into a Kunduz hospital killing 22, including 12 staff working for MSF. The organisation demanded that the incident be investigated as a war crime. But in the world\u2019s most dangerous conflict zones, is it possible to save lives and not take sides?
(Photo credit: BBC News)