outrage. >> when i saw donald trump attack another gold star mother, i felt such a sense of outrage. >> she was standing there. >> i would like to tell donald trump what it feels like, the sense of emptiness that only losing a child can bring. >> reporter: trustworthiness still a problem for both nominees. clinton's running mate trying to reassure americans their administration would be more she made a mistake, and she said over and over again, i made a mistake, and i've learned from im. i'm going to fix it. i apologize. >>> one more issue involving donald trump. there's another mexican official who is now dismissing trump's promise to build a wall and force mexico to foot the bill. it's the prime minister that called the idea absurd. she said that they would never consider it and she added that the real issue is not a problem about a wall but narrow minds. >>> hundreds of protesters gathered in chicago two day