The List Of Potential Candidates In The Upcoming Sullivan County Election Is Growing. County Mayor Richard Venable, Who Has Filed To Seek Re-Election, Has Some Possible Challengers Who Have Picked Up Petitions To Run. In The Mayor’s Race, Republican Dave Clark Has Picked Up Papers, As Has Challenger Gerald L. Sensasbaugh, Jr, An Independent. In The Sheriff’s Race, Sheriff Wayne Anderson Is Seeking Re-Election, And Could Be Challenged By Three People.