Moore v. Harper could be one of the most consequential Supreme Court cases for our democracy.

You might just now be hearing about it — but it could let extremist state legislatures pick the next president without you.

Oral arguments begin today.

Here's what you need to know:

Supreme Court Hears North Carolina Redistricting Case

The Supreme Court hears oral argument in Moore v. Harper, a case on North Carolina's congressional districts map and whether state courts can rule on maps that govern federal elections.

C-SPAN.org