Texas State Teachers Association throws support behind Strayhorn BY JOHN REYNOLDS AVALANCHE-JOURNAL Republican turned Independent gubernatorial candidate Carole Keeton Strayhorn picked up the endorsement of the Texas State Teachers Association on Tuesday. The group, however, won't be able to help Strayhorn collect the 45,000-plus signatures that she will need to get on the ballot for the November general election. The TSTA is encouraging all of its members to take part in the party primaries, spokesman Richard Kouri said. Because of several high-profile legislative races, "we certainly believe our members should be involved," he said. Strayhorn, currently the state's comptroller, had...