John Cornyn says the FBI will help locate Texas Democrats who fled the state to block the GOP redistricting vote.

The Supreme Court has ruled that judges are powerless to review partisan gerrymandering. But courts can still enforce the Voting Rights Act provisions that protect minorities' voting power.

Texas Democrats may have bought their party some time with their walkout, but both parties are mobilizing to redraw U.S. House maps ahead of the midterms.