The Richest Rule the US and the world.

http://www.alternet.org/economy/who-rules-world-how-concentration-wealth-and-political-power-undermines-global-democracy?akid=12499.294211.OP_bkn&rd=1&src=newsletter1027543&t=21

The impact of Citizens United corresponds to a widely-shared view that the US is indeed not a democracy. In fact, this perception was confirmed in a research study released earlier this year by professors at Princeton and Northwestern University.
Their research found that the wealthy and business elites of the nation wield all of the power, leaving most people on the margins. The report explained, “When a majority of citizens disagrees with economic elites and/or with organized interests, they generally lose. Moreover, because of the strong status quo bias built into the US political system, even when fairly large majorities of Americans favor policy change, they generally do not get it.”
This concentration of political power is reflective of the global concentration of wealth. The 85 richest people in the world now have the same wealth as the 3.5 billion poorest.