Texans gear up for early voting start BY APRIL CASTRO Associated Press Writer AUSTIN - As Texans began casting early ballots on Thursday for the upcoming constitutional amendment election, activists from all over the political spectrum scattered across the state in an attempt to jump-start historically low voter turnout in their favor. Twenty-two proposed amendments are on the Sept. 13 ballot, but the focus of an intense media blitz has been on Proposition 12, which would change the Constitution to allow the Legislature to set limits on non-economic damages, such as pain and suffering, in medical malpractice and other civil...