For a tiny Central American nation, Panama packs quite an international punch. It has the Canal, a key asset to international shipping and it has a financial sector which specialises in parking the cash of people who want to keep their wealth from prying eyes. During the notorious regime of Manuel Noriega it also developed a reputation for dodgy governance but that was a generation ago. Stephen Sackur speaks to vice president Isabel de Saint Malo de Alvarado. Has Panama cleaned up its act? Show less