"by retired dallas police chief, david o. brown. just out in the book stores. >> guest: thank you so much, peter. appreciate it. take care. [applause] >> thank you so much. it's great to be here at politics and prose again. this is the fifth installment of our race in america series. i want to thank politics and prose for the vision. a a lot of playings don't have the vision. this book store has set the tone for book stores round the nation to talk about such a sensitive issue, matters of race, and, yes, we're authors, and we are people who are real and have dealt with this and written about it, and again issue want