AUSTIN — Elizabeth Ames Jones, the former state representative from San Antonio, was formally nominated by Gov. Perry on Tuesday to the 3-member Texas Railroad Commission. Jones, a Republican, still needs to go before the Senate for confirmation. She declined to be sworn in to her House seat last month, after Perry announced she was his pick to replace Charles Matthews. Vying to fill Jones' 121st District seat in Saturday's special election are former Texas Supreme Court Judge Rose Spector, a Democrat; businessman Joe Straus III, a Republican; and former state Rep. Paul Silber, who is running as an independent....