“We made some mistakes, and specifically now we’d like to talk about Pennsylvania and we’re going to take our medicine and fix those mistakes and complete good projects from this point forward.” Warren said. “Not insinuated that everything we’ve done has been bad. It’s just we’ve made some mistakes we’re not proud of. So you’ll see that improve and when we don’t make those mistakes again, that our costs are going to improve and the predictability of those costs are likewise going to improve.”