Who’s Left Standing for Super Tuesday?

The Democratic primary field has been dramatically re-shuffled since Saturday. After Joe Biden swept up votes and delegates in South Carolina, moderate candidates dropped out to strengthen his challenge against front-runner Bernie Sanders. So, with over a thousand delegates on the table across a slew of states, are Democrats inevitably headed for a contested convention?  Guest: Jim Newell, Slate’s senior politics reporter Learn more about your ad choices. Visit megaphone.fm/adchoices