There should be Instant Runoff Voting
Meanwhile, it's still illegal to discriminate against minorities in the right to vote. But that won't stop radicals like Obama from demagoging the issue out the wazoo, trying to equate this with the end of voting rights.
“We do not believe any group of men adequate enough or wise enough to operate without scrutiny or without criticism. We know that the only way to avoid error is to detect it, that the only way to detect it is to be free to inquire. We know that in secrecy error undetected will flourish and subvert”. – J Robert Oppenheimer.
Heart of Atlanta Motel v. United States - Wikipedia, the free encyclopedia) and could have been ruled unconstitutional in whole or part. The challenges to this particular provision were many over the years, the SCOTUS just decided up until now not to hear those cases.