Challenges of Modern Democracy

Democracy was the most successful political idea of the 20th century. Why has it run into trouble and what can be done to revive it?
Democracy is a political system, where all power of government is vested to the people - nation of a country. Theoretically, it is so, but real, direct democracy was provided only in Ancient Greece. Nowadays, democracy like political power of the people is provided by free electoral system. In the 20th century this scheme worked well, but in the newest time there are starting to appear some troubles and challenges for democracy. …