Savor the occasional cause for optimism that top leaders can value teamwork over turf in the contentious area of transportation financing. Take the years of squabbling over how Texas can scrape up billions of dollars to catch up with road-building needs. Suddenly, there's positive movement, first from Gov. Rick Perry last week. He told this newspaper's transportation writer, Michael Lindenberger, that he would not use his veto to obstruct a move by lawmakers to index the lagging motor-fuels tax to inflation. "If it is the will of the people, and of the Legislature, I suspect I would go along with...