Since the 19th century, rich nations have been giving aid to poor nations, but a struggle has emerged over the goal. What is the purpose of aid? Who benefits in the end? And how and where can we make aid more effective? Journalist, documentary filmmaker and human rights activist Sally Armstrong and James Orbinski, humanitarian advocate and former president of Doctors Without Borders, consider these questions in a candid panel discussion moderated by Paul Kennedy, host of CBC's Ideas.