By Stacy M. Brown, NNPA Newswire Senior Correspondent @StacyBrownMedia The first virtual convention in the 80-year history of the National Newspaper Publishers Association (NNPA) earned a thumbs-up from partners and sponsors. The successful event’s website, vitualnnpa2020.com, generated more than 55,000 pageviews to conference attendees in only two days. Several hundred thousand additional impressions were generated…