callie greer says her daughter's treatment was delayed because she wasn't insured, and then it was tooate. callie: oh, lord! william:m: that's what the natn ought to hear. these policies are killing people, and mothers. break this country's heart, so it can be put back together. reporter: the personal stories are the most moving and unsettling moments. callie: it's happening all of the time. and it's like we're disposable people, we'r're invisible peop, and i ne for t those peoplple o come out a and add their voiceo this campaign. and add their wailing to mine, so that there e is a continuig echo in this place, so that it breaks these people's hearts. reporter: the campaign takes to the streets week after week, hoping to shock and galvanize people into action. >> you will be placed under arrest. this is your second warning. reporter: they're peaceful, but determined and well-organized. the demonstrators know they're likely to be confronted by police. liz: we are living in a a time where real change is absolutely needed. and so i think the fact that, in 35 states and in washington dc, p