RIVERSIDE (CNS) - The Board of Supervisors today tentatively approved a five-year renewal of the Temecula Wine Country Tourism Marketing District, which will generate revenue for promotional campaigns to attract more visitors to southwest Riverside County for the benefit of vintners and other businesses.In a 5-0 vote without comment, the board set an Oct. 5 public hearing to hear testimony, and barring any major objections that put the process on hold, the district is slated to be formally renewed in the first week of November. Visit Temecula Valley, the nonprofit agency overseeing the district's affairs, submitted a report indicating there's overwhelming support for renewal.The marketing district, analogous to a business improvement district under state law, was conceived in 2015