ThinkProgress writes, We do not have to guess what the states currently subject to a key provision of the Voting Rights Act will do if the Supreme Court grants their wish to have that provision declared unconstitutional — top Republicans in those states have already told us. In a brief filed last August, Republican attorneys general from six of the states covered, at least in part, by Section 5 of the Voting Right Act complained that this landmark legislation is all that stands between them and implementing a common method of disenfranchising minority voters. Two of those states, South Carolina and Texas, admit…