Whether it s 2003 s Proposition 21, which allowed "a current or retired faculty member of a public college or university to receive compensation for service on the governing body of a water district," or Proposition 2 from the same year, which established "a two-year period for the redemption of a mineral interest sold for unpaid ad valorem taxes at a tax sale," Texas voters have grown accustomed to being asked to decide seemingly obscure issues at the ballot box.