AUSTIN — With the Capitol as a backdrop and a scorching sun beating down, Comptroller Carole Keeton Strayhorn turned the political heat up on Gov. Rick Perry today, formally announcing as a challenger to his re-election. Strayhorn, saying she will run against Perry in next year's Republican primary, wasted no time in attacking her new opponent. "You know that Texans cannot afford another four years of a governor who promises tax relief and delivers nothing," she said. "Now is time to replace this do-nothing drugstore cowboy with one tough grandma," Strayhorn told a cheering crowd. Strayhorn specifically criticized Perry for...