Pennsylvania has perfected the art of examining the way it delivers higher education — and then doing little with what it has learned. Several studies have been done over the years, only to be ignored. Now Gov. Tom Corbett wants another study. This time, observers suggest the outcome could be different. In the 2012-13 budget, Corbett is seeking steep cuts to the state’s public universities. And he’s raising bigger, fundamental questions. What is the state’s role in supporting higher education?