Ford Foundation president, Darren Walker, broke through a barrier of sorts recently with the announcement the foundation would commit $1 billion from its roughly $14 billion endowment to so-called mission-related investments. In the latest Returns on Investment podcast, our roundtable takes on the question of just how significant Ford’s announcement really was. Will it help unlock many more billions for high-impact investments? Will it change how foundations think about deploying their capital? Can it help change the structure of the financial markets themselves?