As Colorado inches to Election Day, its status as a swing state has not dimmed — and Weld County, a traditionally conservative stronghold encompassing Greeley and much of the Eastern Plains, is being eyed by many as one of a handful of counties that could make or break the election for either party. Two years ago Gov. Bill Ritter stunned observers by winning Weld by a squeaker. This year, with a hotly contested congressional race and shifting party affiliations — fewer Republicans and more Democrats, percentage-wise — Weld is squarely in the spotlight.