Why "leftism" is parting ways with "liberalism" and what it means for the future of American politics

The 2016 elections were fraught and game-changing on many axes, but one important one that is still playing out is the split between the "left" (universal healthcare, steeply progressive taxation, no more wars of aggression, free higher education, and measures to remediate historical injustices on the basis of race, gender, sexual orientation, etc) and "liberals" (more representation in corporate board-rooms, responsible business practices, limiting profits from private healthcare companies, etc). (more")