With the vacancy for the Texas House District 121 seat now official, names of potential candidates on both sides of the aisle have begun to percolate through political circles. Gov. Rick Perry has until Jan. 31 to call a special election for the seat to replace state Rep. Elizabeth Ames Jones, who was selected Tuesday for the influential Texas Railroad Commission. Until an election is scheduled, no one can officially declare their candidacy. But four politically connected people have expressed interest in the seat: Democrats Melissa Kazen and Chip Haass and Republicans Joe Straus III and George Pierce. The district,...