. >> the mayor of bristol, england, marvin rees, wrote that a meeting of the us conference of mayors held in boston, he talked about international migration and the role of cities addressing the needs of immigrants. this is 20 minutes. [applause] >> he was a champion of racial equality and became mayor of bristol in 2016. operation black book. he became europe's first ever mayor of african caribbean descent. he studied in the uk and united states, earning a bachelor's degree in political theory, yale university world fellow who worked for the bbc as a presenter and journalist, lifelong commitment working on international development at uk national health service, he speaks of his mixed heritage, his mother is of english, welsh and irish heritage. his wife is american, and they live in atlanta, maryland, mayor reese leads the global parliament of mayors, please join me in welcoming mayor marvin reese. >> thank you very much. a very kind welcome. thanks for your welcome. i am here, my mother in law is sitting in the crowd somewhere. distinguished guests, the 19th century preacher said