Last minute cash blitz from super PACs and dark-money groups blankets swing states and districts.

Democratic reformers need to know exactly what they are up against — now and likely for years to come.

How the Koch Brothers brought together conservative, deep-pocketed donors to defeat the Democrats and combat “public policies that threaten to destroy America as we know it.”

Through their vast network of political nonprofits, the billionaire brothers are attacking infrastructure projects across the nation.

The same voter ID laws and limits on early voting that debuted in 2012 are back.

The vast wealth that has accumulated at the top of the American economy isn't the problem -- it's that political power tends to rise to where the money is.

And deep-pocketed advocacy groups are lobbying for more -- a trend that alarms advocates of strong science education.

The Kochs and their allies have built up a complex network of social welfare organizations, which spent more than $383 million in the run-up to the 2012 election alone.

Brown announced that he's forming an exploratory committee to consider running for Senate in NH and won't say no to dark money groups that want to help out.

The story of one Koch operative illuminates larger truths about how money changes both politics and the people who handle it.