The Buzz Word Is Regionalism. Sullivan And Washington County Leaders Gathered At Tri Cities Airport To Formally Agree To Work Together On Common Issues As A Way To Boost Economic Development In Both Counties. Sullivan County Mayor Richard Venable Said 80-Percent Of New Jobs In Northeast Tennessee Are Created By People Who Already Live Here. Washington County Mayor Joe Grandy Said The Goal Of Having The Meeting Is So Both Sides Can Work Together And Come Up With A Vision For The Future.