Any director will tell you, no matter how big his budget, that it's always the budget and the day count.
When I first started working on movies as a production assistant, we were shooting 65, 75, 85 days. I mean, granted some of those things were "Godzilla," "Deep Impact," and those kinds of things, but these days it's like 30-35 days or 40-45 days and you just feel like you're humping trying to get everything done. It's like "Move on, move on, move on!" That's not the way to get the best performances or the most interesting shots. You have to constantly balance schedule and quality of work. For me, that's the biggest thing.
Chicago is great! It's like the heart of America. It's the center and it's a beautiful city.
One of the good things is the relationship between director and editor used to be more contentious. Studios used to leave directors alone more during the post production process and now they're clamoring to get in. So, the director and the editor end up teaming up sort of against the studio to fight what they're doing and you lose the creative tension that you used to have between an editor and a director.