SACRAMENTO – The state's largest teachers union and director Rob Reiner dropped their plans Thursday for an initiative to raise property taxes to pay for education and preschool programs. The decision came a day after three anti-tax groups raised the specter that the measure could have raised residential property taxes, despite assurances from supporters that it would only affect commercial property. Reiner and the California Teachers Union did not address the tax issue in a statement Thursday. They said the measure would have been competing with four others on the November ballot that seek to raise revenue for specific purposes....