Green Bay residents protest the shooting of Alex Pretti | Photo by Andrew Kennard/Wisconsin Examiner By Andrew Kennard, Wisconsin Examiner Green Bay protesters took to the streets Sunday afternoon in temperatures well below freezing to protest the killing of Alex Pretti , a graduate of Green Bay Preble High School who worked as an ICU nurse at a VA hospital in Minneapolis and was shot and killed Saturday by Border Patrol agents. As they crossed the Fox River, marchers formed