Here.
An excerpt:
Federally, few rulings have wreaked such havoc on the political process as the 2010 case Citizens United v. Federal Election Commission, whereby the Roberts Court struck down much of the McCain-Feingold Act, which placed restrictions on corporate and union funding of political campaigns. Stevens, in his dissent, warned that “a democracy cannot function effectively when its constituent members believe laws are being bought and sold.”
That, in the end, is the traffic to worry about. If not only legislators but judges serve at the pleasure of lobbyists, the people will have ceased to be their own rulers. Law will be commerce. And money will be king.
Read more http://www.newyorker.com/arts/critics/atlarge/2012/06/18/120618crat_atlarge_lepore#ixzz1xUOQzXQq