Indications of “the pervasive influence of corporate cash in the democratic process, and the extraordinary lengths to which politicians, lobbyists and even judges go to solicit money” can be seen in sealed but leaked court documents in Wisconsin. This glimpse in to the real money-game in business and government shows just how much corporate money is in play. “The files open a window on a world that is very rarely glimpsed by the public, in which millions of dollars are secretly donated by major corporations and super-wealthy individuals to third-party groups in an attempt to sway elections.” In addition, the files show just how easy it is for public officials to deny having been subject to conflicts of interest. The combination of a lot of money and the ability to get away with exploiting a conflict of interest is toxic to a viable representative democracy (i.e., a republic).
The full essay is at "Corporate Money in Politics."
 Ed Pilkington, “Leaded Documents Reveal Secretive Influence of Corporate Cash on Politics,” The Guardian, September 14, 2016.