Obama Advisers Ponder Ad Campaign Against GOP That Points To Rise Of Tea Party

As a progressive, I'm afraid I have to agree with you. The past two years have taught us that we no longer have a democracy, but rather a corporate oligarchy. You are perfectly write that, until and unless we overhaul campaign financing, our representatives from both parties are bought and paid for.
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Over the course of US history, corporations have managed to game our political system, and done it so effectively that the two-party system competes to serve corporate interests while defending that service as, "What's good for GM (corporations) is good for America (We the People)". 

DLC Democrats (co-founded by BillClinton) who control the DemocraticParty & Republicans are corporate t00Is. Like siblings competing for the attention and approval (campaign contributions) of a parent, Republicans & DLC-controlled Democrats try to outdo each other in delivering for their real constituent, Big Corporations. The trick for them has been to make it seem as if they were really working on behalf of WethePeople. 

Democratic voters have mistakenly believed that Obama&Democrats were for strong regulations on banks, Wall Street, investigations, prosecutions, restitution of what has been robbed from the middle class and poor for the past 30+ years, environmental clean-up, clean, sustainable renewable energy (& that isn't nuclear), putting an end to the wars and occupation of Iraq & Afghanistan, affordable, quality universal healthcare (which ObamaCare is not), and more. The DLC-controlled Democratic party gives lip service to these & all populist issues, because like the Republican Party, the DLC works for the benefit of transnational corporations.

Overhauling campaign financing is not on Democrats' agenda; It is not anything that Obama or Democrats are interested in doing.  
Read the Article at HuffingtonPost