Tonight at 6:30 p.m. ET, watch economist and activist Winona LaDuke's live speech at the Seventh Annual Judith Davidson Moyers Women of Spirit Lectures.

Scientist and Christian Katharine Hayhoe shares how she wins over those who doubt climate change is happening — by not mentioning climate science.

"Modern capitalism has turned the greed once considered sinful into virtue." Read the speech Bill delivered at New York's Union Theological Seminary -- the next best thing to being there.