(Updated to include comments from Kobach, ACLU, and the attorney general)
The U.S. Supreme Court on Monday turned away Kansas' request to uphold a controversial state law that requires proof of citizenship when registering to vote.
The high court refused to hear the case and let stand lower-court rulings that found the law was unconstitutional because it imposed an obstacle to voting.
The law had already been rejected once by the U.S. 10th . . .