I'd like a candidate or movement that can fundamentally change the way we conceive of politics, labor, society and the economy.

The movement is afoot! Bernie set it rolling in 2016 and it will not be stopped.
You're such a Grumpycat! If I couldn't see a possible way forward to defeat global warming and create a thriving global economy I wouldn't have any reason to get up in the morning.
Good coffee, good weed, and time on my hands...