and arnie duncan is here with us from chicago, illinois.rack obama. the former, having lost her father and two uncles to gun violence. arianna, thank you for talking to us. this is personal for you. tell us the message you bring from chicago. >> the message that i bring is, you are not alone. because we have felt that we were along for so long. now finally the kids from florida have given us the leverage to be able to come out here and speak and to give our experience. and they listen. we no longer feel alone. we feel as though we have family who have felt the same way as we have. it's very -- it's very special to know that people who come from different worlds feel the same as you. >> mr. secretary, talk about what it took to get these kids here from chicago, first of all, and how it feels, you never know what it's going to take to get everyone's attention. it turns out it took parkland, florida. >> this has been a really emotional day, brian, it brought tears to my eyes. we've felt pain in chicago for a long time, honestly. we have 500 te