In this edition of KUOW 94.9’s “The Conversation,” correspondent Ross Reynolds talks with Tom Paulson, the founder and editor of the news blog Humanosphere, about how a push led by the Bill & Melinda Gates Foundation for foreign aid organizations to become more “business-like” is changing the world of aid, development and philanthropy. However, some “critics say that when it comes to helping poor people, a return on investment can’t be the only measure of success,” according to the program description (8/2).