What’s gone wrong with democracy?

Faith in democracy flares up in moments of triumph, such as the overthrow of unpopular regimes in Cairo or Kiev, only to sputter out once again. Outside the West, democracy often advances only to collapse. And within the West, democracy has too often become associated with debt and dysfunction at home and overreach abroad. Democracy has always had its critics, but now old doubts are being treated with renewed respect as the weaknesses of democracy in its Western strongholds, and the fragility of its influence elsewhere, have become increasingly apparent.

Why has democracy lost its forward momentum?
(original with gorgeous layout here)
Cool interactive map