great advice woman 24-7 security live imaginary world life life children likely never affect rapefugee terrorist greet open arm naive leftists angelina jolie pitt un refugee agency special envoy warn international humanitarian system refugees break down.ms jolie pitt speak part bbc world move day coverage global migration issues.she warn fear migration race bottom countries compete tough protect themselves.earlier unhcr head say refugee crisis global issue.un high commissioner refugees filippo grandi tell bbc simply turn migrants away work .she warn amid fear uncontrolled migration risk race bottom countries compete tough hope protect whatever cost challenge neighbour despite international responsibilities .isolationism answer say add neighbor house fire safe lock doors strength lie unafraid policies would lead even great set problems say would amount bad worlds fail tackle issue undermine international law value process urge world rally together say whether succeed help define century alternative chaos click entire story video bbc lol un refugee spokes-celebrity angelina jolie admonish u.s. undermine international law resist flow muslim refugees