The Democratic presidential candidates take the stage for the second round of debates Tuesday and Wednesday in Detroit. A lot is on the line for the candidates, who have been engaged in back-and-forths over race and health care coming into this round of debates.

https://www.npr.org/2019/07/30/746375451/your-guide-to-tonights-democratic-presidential-debate

When is the debate?

Tuesday night's debate begins at 8 p.m. ET. It's slated to last two hours.

Which candidates are onstage Tuesday night?

In order of their placement onstage, left to right: Spiritualist and author Marianne Williamson; Rep. Tim Ryan, D-Ohio; Sen. Amy Klobuchar, D-Minn.; South Bend, Ind., Mayor Pete Buttigieg; Sen. Bernie Sanders, I-Vt.; Sen. Elizabeth Warren, D-Mass.; former Rep. Beto O'Rourke, D-Texas; former Gov. John Hickenlooper, D-Colo.; former Rep. John Delaney, D-Md.; and Gov. Steve Bullock, D-Mont.