Even before the expansive Chicagoland of today, Daniel Burnham saw Chicago as a tasty piece of a much bigger pie. Making plans for Chicago meant thinking outside the city limits and keeping the region as a whole in mind. One hundred years later, as we try to maintain a foothold in a struggling global economy, some think regional collaboration might provide stability. But what do we gain from a regional approach? As the Mayor of Palatine, Rita Mullins has had to sort through these questions.