Complex sentence: At the time the series premiered, Pittsburgh was named by Rand-McNally as the most liveable city in America, even though both Dungan & Stein admitted to never having been to Pittsburgh before.
Split into simpler sentences: At the time the series premiered, Pittsburgh was named by Rand-McNally as the most liveable city in America. Also at the time, both Dungan & Stein admitted to never having been to Pittsburgh before.