Contributor(s): Bruce Katz, Professor Anne Power | Bruce Katz will explain how ground-up innovations at a city level are solving the toughest economic problems in the US, while Anne Power will reflect on the relevance of these developments on UK cities. Bruce Katz is the author of The Metropolitan Revolution, vice president of the Brookings Institution and founding director of the Brookings Metropolitan Policy Program. Anne Power is professor of social policy at LSE.