Campaign Cash and Corruption: Money in Politics, Post-Citizens United

What is money's role in, and influence on, American politics? What is the history and impact of lobbying, the revolving door, and outside spending, now commonly referred to as "dark money," on politics and policy? This paper reviews the trends, sums, sources and beneficiaries of political finance over recent decades, in the 2012 presidential election cycle, and in the current cycle, and the changes that may be expected in the upcoming 2016 presidential election cycle and beyond.