The signatories include several Democrats facing reelection in 2014 in red states, but also some more liberal senators from blue states.
If true, “this is Richard Nixon stuff,” one senator says.
(Craig Fritz / AP)
For the first time in years, green community flexes its political muscle.
Three Democratic Senate candidates push for its inclusion.
The influx of young, energetic liberals into the Senate is also reorienting the Democratic caucus towards a more aggressive focus on climate issues.