Nothing will change until greens mount some primary challenges and collect some scalps. I agree. I would join, give money to, and vote for a Green Party that was organized around this proposal. We shouldn’t get all Lawrence of Arabia until we’ve actually tried real, dirty politics. Which we haven’t. Because we’re sissies.
I keep wondering, why not support US political reform? Proportional Representation or even just instant run-off voting/alternative voting/preferential voting would all allow voters to vote for third parties while still preferencing one of the main 2 parties … (But then, I’m Australian, so preferential voting seems perfectly natural to me.)
I think electoral reform would be wonderful, and it clearly has to happen eventually, but it’s a meta-issue that’s really hard to get people to pay attention to, and implementing it takes a significant super-majority. And of course, everyone who is ever in power came to power under the current system, and so is likely to be wary of changing that system.