Eminent public health scientist and activist Richard Levins considered some of the most pressing issues facing humanity--food and water shortages, drug-resistant micro-organisms, global warming and social inequality--in light of the intellectual triumphalism that seems to accompany every claim of problem resolution. His Saturday morning talk, "Failures, Errors & the Boundaries of Our Minds" at encuentro 5 found an engaged audience in Boston and New York. It was simulcast to the Brecht Forum in Manhattan (as part of that organization's 35th anniversary celebration). For more information about Richard and to download the talk's suggested readings, visit the event announcement at e5.