Bernie Sanders and Donald Trump represent different visions of America and different visions of American politics.
What will happen to those who feel betrayed now, when Trump can't deliver on his promises?
Last weekend, Sanders bested Clinton and the DNC's attempt to undermine his campaign.
What should we make of campaign promises regarding regulation?
In the new Quinnipiac poll, Sanders also runs much stronger against Trump than Clinton does.
His recent warning of a third-party challenge was in fact public recognition that his candidacy is in its final stages.
Looking at recent events, the stage is actually set.
This campaign involves a tale of two populists: one authentic and the other merely pretending.
Keep in mind one thing about polls in the presidential race: Things can change, and fast.
Earlier this year, his candidacy had the air of invincibility. What went wrong?