now on bbc news, europe's royals revealed. washington dc is the heart of the free world. let's go now to capitol hill. i'm katty kay, and in more than 20 years spent here in the news business, i've grown accustomed to thinking of this as the centre of power. decisions that reverberate around the globe are made here by politicians who proudly champion democracy: the rule of the people, by the people. we are here to assess the real meaning of the results in hundreds of races. but it's not the only way, or necessarily the best. a recent poll shows that of the 15 most successful democracies, nine are monarchies. the founding fathers rejected a king, but many europeans feel a royal family is an asset. i am leaving washington