Waterloo Iowa: Screaming Eagle
The Screaming Eagle downtown is a sports bar with some beers beyond Bud on offer (Fat Tire on tap, couple of Sam Adams on tap as well).
I had a Pork Tenderloin sandwich and it was pretty good. The pork tenderloin was juicy, pink inside, totally crispy breading on the outside, and overflowing the bun by 2" to 3".
Service was friendly and prompt.