Knoxville News SentinelView Comments Rhea County Executive George Thacker went weeks without posting a coronavirus update on Facebook, but he returned Wednesday with some alarming news: COVID-19 cases in the county were expected to jump from 13 to around 180 in just one day.The state Thursday afternoon to 188 cases. Reports of the spike come just one day after the county's cases dropped from 15 to 13. "A lot of time, I'm always telling you good things — that we've only had a few numbers," Thacker said in his video message. "I know this is Memorial Day weekend,...…Knoxville News SentinelView Comments Rhea County Executive George Thacker went weeks without posting a coronavirus update on Facebook, but he returned Wednesday with some alarming news: COVID-19 cases in the county were expected to jump from 13 to around 180 in just one day.The state Thursday afternoon to 188 cases. Reports of the spike come just one day after the county's cases dropped from 15 to 13. "A lot of time, I'm always telling you good things — that we've only had a few numbers," Thacker said in his video message. "I know this is Memorial Day weekend,...WW…