Why SCOTUS ruling on the Section 2 of Voting Rights Act is a game changer

The Supreme Court on Wednesday tossed out Louisiana’s long-contested congressional map as an unconstitutional gerrymander in a decision that could have implications for this year’s midterm election amid a national tug-of-war over which party can eke out the most political advantage in Congress by redrawing district lines. CNN’s Laura Coates discusses why the ruling is a "game changer.”