by Joy Spencer Prom and graduation are two of the biggest memory making events in a teenager’s life. Many parents get involved by helping pick out special clothes or extending curfew for the night. One area where parents can make the greatest impact is setting firm expectations against underage drinking. The OLCC and Pernod Ricard, USA are launching a Public Service Announcement campaign on TV, internet and in stores to remind parents how dangerous underage drinking can be. The campaign, “Underage Drinking doesn’t start with a drink. It starts with an excuse,” focuses on things some parents may say to justify their teens’ drinking behavior. A few excuses pointed out in the PSA include: We drank when we were that young and we turned out OK. I don’t mind if he’s drinking with his friends. Just as long as they’re doing it at our house. These kids are under so much pressure, I say let’s cut them a break.It’s fine if he takes a sip. My son knows t