They may seem like two disparate topics: climate change and an archaic Senate procedural rule. But they have more in common than you might think. Thanks to the Senate filibuster rule, essentially any piece of legislation needs 60 votes, a super-majority, if it hopes to pass. This is one of the reasons that the climate bill was killed in the Senate -- it could only muster a normal majority, like 55 votes. In a true democracy, that should be enough to fly. But in our political culture, it's still miles away, and reason enough to sound a deat...Read the full story on TreeHugger