One thing that both parties have in common in this primary season is the fact that there's a sharp divide between "We, the People" populism, and the rich and powerful Washington establishment.

On the Republican side, Donald Trump is leading the race by running on a populist platform based on the fact that he's not beholden to the billionaires or lobbyists, and that he's never been part of the political establishment.

The New Hampshire primary is now just one day away, and differences between Bernie Sanders and Hillary Clinton couldn’t be clearer, especially when it comes to so-called free trade.

While Secretary Clinton’s views on corporate-managed trade have changed a lot over the years, Bernie’s haven’t.

• Political Strategist David Axelrod, former Senior Adviser to President Obama/Author, Believer: My Forty Years In Politics: Forty Years In Politics
• Your thoughts on last night's Democratic debate - plus, Bernie v. Alan Greenspan
• Zahara Heckscher, Writer/Educator/Social Justice Advocate: Cancer Patient Arrested Protesting TPP Speaks Out

The big question right now is whether to call Hillary Clinton a progressive, or a "moderate."

And then there's the question of who is more electable in a general election: an unabashedly progressive democrat, like Bernie Sanders; or a "centrist" democrat, like Hillary Clinton.