KINGSPORT — After 10 years in office, Mayor Dennis Phillips has made the "gut wrenching" decision not to seek a sixth term as mayor in next year's city election.Phillips sat down with the Times-News Wednesday morning to make the announcement, to discuss his tenure as mayor of the Model City and his future plans once he leaves office."The reason I have not announced earlier is I've had a tremendous amount of requests (to run again) from people ...