(The Center Square) – Viewership was up and battleground Pennsylvanians were watching, according to Nielsen audience shares for Tuesday’s presidential debate. Democratic Vice President Kamala Harris and Republican former President Donald Trump were hosted by ABC News in the 9 p.m. Eastern time slot. The viewing audience was estimated at 67.1 million. On eight networks, the rating was 32.8% and the share 70%, industry analyst Michael Mulvihill posted to social media. Top markets were Pittsburgh (44.2), Philadelphia (43.4) and West Palm Beach (43.3). The rest of the top 10 was Minneapolis (38.7)…