Texas Matters: The United States Supreme Court is wrapping up its session and decisions continue to come down. A ruling has been made in a Texas-Oklahoma water dispute, and a decision is expended soon on a case involving the Voting Rights Act, which could have major implications in Texas. Also on this show: An inside look at Texas Monthly's Best and Worst Legislators 2013 list, and a look at how Mexico's drug war killings are effecting both sides of the border.