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.

Both Texas Republicans and Democrats are ratcheting up their rhetoric over proposed US House maps that could give the GOP five more seats. But the action in Austin is stalled for now.

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.