U.S. Senator Lamar Alexander Will Be In The Tri Cities. He Is Scheduled To Deliver Remarks At Eastman Chemical Company’s Topping Out Ceremony In Kingsport. Alexander Along With Chairman And CEO Mark Costa And Eastman Executives Will Be Commemorating The Completion Of The Steelwork Of The Company’s New Corporate Business Center On South Wilcox Drive. The Event Will Begin At 1:30 P.M. Wednesday Afternoon.