. >> we speak with mariel hemingway and two-time oscar- winning filmmaker barbara kopple about the hemingwayfamily history of mental illness and the suicides of seven relatives, including her sister, super model margaux, and her father ernest hemingway. all of that and more coming up. this is "democracy now!," democracynow.org, the war and peace report. i'm amy goodman. thousands of people marched in washington, dc saturday in a rally for gun control. the demonstrators included a group of residents from newtown, connecticut, cited the december shooting rampage that killed 27 people. >> i have watched the news and other tragedies and, shame on me for just sitting there and being upset an not assigning it was time to change. i have always said, "oh, it is so horrible they could not get to that individual and help them." and now it has happened in my backyard. it is time. >> my sister was killed by a bullet through her heart 20 years ago, so all of the things that have been happening have really resonated with me. it really makes me happy and no finally there is movement on gun control -- to kn