DENTON - "Grandma" lost her argument for a contrived ballot nickname. But Comptroller Carole Keeton Strayhorn of Austin might have found a plank on which to build a campaign against Gov. Rick Perry. It's a plank 600 miles long and a quarter-mile wide. It's a giant, privately owned, multilane tollway that would part the Texas countryside the way the governor parts his ample hair. Strayhorn, a Republican running as an independent candidate, has criticized the Trans-Texas Corridor tollway plan loudly for months. So have the other principal challengers in this traffic jam of a race, novelist Kinky Friedman of Medina...