It boils down to this: Vacaville public school students will not be allowed to attend fund-raising booster club events at which alcoholic drinks are served.In a close 4-3 vote, after seven months of sometimes-quarrelsome debate and divided community input, Vacaville Unified leaders on Thursday approved a revised board policy and administrative regulation about alcoholic drinks being handled, served or bussed when students are at school-related or off-campus events.