The America Justin Webb grew to love

America is, in part, a Third World country that has not got over the deep stain of slavery – but it is also the most exciting and innovative society in the world. That was the realistic but approving verdict of BBC North America Editor Justin Webb in a Polis talk, as he reflected on his experiences covering key events in recent American politics, from 9/11 to the election of its first African-American leader. This report by Jasmine Chan.