The governor’s 2012 rivals have latched onto his executive order mandating the HPV vaccine and his advocacy for in-state tuition for illegal immigrants, while little has been said about his unrealized 1,200-foot-wide toll road project that would have swallowed more than 500,000 acres of Texas farmland and wildlife habitats. But as the focus of debates increasingly turn toward President Barack Obama’s jobs agenda — a plan calling for a heavy dose of infrastructure investment — that may change. “Pay to play, cronyism — all those charges can be found right here in the Trans-Texas Corridor,” said Terri Hall, founder and...