Karachi and Kansas

Pascale Harter introduces personal stories, reflections and insight from correspondents around the world. In this edition, Shahzeb Jillani explains why he's going back to Karachi, to report on one of Pakistan's most dangerous cities even if his mum insists it's "a godforsaken place". In the American Midwest, Sarfraz Manzoor unravels an enigma of Hollywood history: what happened to all the black cowboys in the Westerns? Meeting the man once billed as the first black cowboy screen idol, he learns there is more than one twist to the tale of Herb Jeffries.