. >> annoucner: funding is provided by -- anne gumowitz, encouraging the renewal of democracy. carnegie corporation of new york, celebrating 100 years of philanthropy, and committed to doing real and permanent good in the world. the ford foundation -- working with visionaries on the front lines of social change worldwide. the herb alpert foundation -- supporting organizations whose mission is to promote compassion and creativity in our society. the john d. and catherine t. macarthur foundation -- committed to building a more just, verdant, and peaceful world. more information at macfound.org. park foundation -- dedicated to heightening public awareness of critical issues. the kohlberg foundation. barbara g. fleischman. and by our sole corporate sponsor, mutual of america -- designing customized individual and group retirement products. that's why we're your retirement company. >> welcome. if i told you that sovereign powers were about to put a toll booth on the street that leads from your house to the nearest interstate, allowing your richest neighbors to buy their way to the o

. >> announcer: funding is provided by -- anne gumowitz, encouraging the renewal of democracy. carnegie corporation of new york, supporting innovations in education, democratic engagement, and the advancement of international peace and security at carnegie.org. the ford foundation, working with visionaries on the front lines of social change worldwide. the herb alpert foundation, supporting organizations whose mission is to promote compassion and creativity in our society. the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information at macfound.org. park foundation, dedicated to heightening public awareness of critical issues. the kohlberg foundation. barbara g. fleischman. and by our sole corporate sponsor, mutual of america, designing customized individual and group retirement products. that's why we're your retirement company. >> welcome. when david suzuki was born, his japanese-canadian father worried that his son's diminutive size would put him at a disadvantage in the world. so he named him after little

. >> announcer: funding is provided by -- anne gumowitz, encouraging the renewal of democracy. carnegie corporation of new york, supporting innovations in education, democratic engagement, and the advancement of international peace and security at carnegie.org. the ford foundation, working with visionaries on the front lines of social change worldwide. the herb alpert foundation, supporting organizations whose mission is to promote compassion and creativity in our soy.

. >> annoucner: funding is provided by -- anne gumowitz, encouraging the renewal of democracy. carnegie corporation of new york, celebrating 100 years of philanthropy, and committed to doing real and permanent good in the world. the ford foundation -- working with visionaries on the front lines of social change worldwide. the herb alpert foundation -- supporting organizations whose mission is to promote compassion and creativity in our society. the john d. and catherine t. macarthur foundation -- committed to building a more just, verdant, and peaceful world. more information at