Politico is reporting about "...the biggest test yet of whether Democrats can take advantage of the freewheeling outside spending wrought by Citizens United...

"Liberal billionaire Tom Steyer is launching on-the-ground operations to aid Democrats and attack Republicans in seven Senate and gubernatorial races in the midterm elections, all part of his $100 million effort to make climate change a prime campaign issue."

"The group’s approach will include reaching out to young, female and minority voters most affected by the threat of climate change."

"The Senate races all involve Democratic-held seats that are in danger of flipping to Republicans, including the neck-and-neck contest between embattled Sen. Mark Udall and GOP challenger Rep. Cory Gardner.

"Lehane said NextGen could get involved in more states eventually, and he indicated Steyer is already looking ahead to the 2016 presidential race."

Read the full article, with details on how NexGen will seek to influence the individual elections, by Andrew Restuccia at Politico.