trisha hine. there you have it. the external part of dallas.l part -- it is a necessity for me to believe the ground she is walking on. i will gather information from the family, and there will be misinformation because everyone has their own imprint -- interpretation of the truth, and i find a way for it to fit in me. that is where my experience as a mother comes in. i only have one. i don't know how you could have any children and not love them like nothing else on earth. everyone of them the same, but different. tavis: i have nine brothers and sisters. this is a good time to say thanks, mom. you suggested a moment ago that before you started shooting, the script was not completely developed. i am thinking, is that like, when you're working on a project when you have that freedom, is that like a trampoline were you bounce around and figure it out, or like a tightrope, were you are walking and not so sure? does that make sense? crazy question. >> with david, it is a little bit of a tightrope that is the trampoline as well. there had been a scr