Yet another poll has showed that a strong majority of Utah voters support the medical cannabis ballot initiative. Salt Lake Tribune reports: Utahns continue to show broad support for a proposed 2018 ballot initiative to legalize medical marijuana in the state, according to a new poll by The Salt Lake Tribune and the University of Utah’s Hinckley Institute of Politics. The new survey finds 75 percent of Utah voters either strongly or somewhat support the proposed initiative, all but mirroring a July…