and we will talk to arab-american pollster james zogby. then, "origin." >> i want to be in the story, really inside the story. shows how all of this is linked. amy: we speak with award-winning filmmaker ava duvernay about her new film that dramatizes the book "caste: the origins of our discontent" by pulitzer prize-winning journalist isabel wilkerson. >> the film follows is a bill wilkerson in her pursuit of truth as she writes the book and you watch your overcome great personal challenge and also complete the book. amy: all that and more, coming up. welcome to democracy now!, democracynow.org, the war and peace report. i'm amy goodman. over one million displaced palestinians are under threat of a new ground assault on gaza's southernmost city of rafah after the israeli military said it would attack the area once labeled a safe zone. the u.n. called rafah, located on the border with egypt, a "pressure cooker of despair." the death toll in gaza continues to rise with over 27,000 killed and more than 66,000 wounded in four months. over 11,00