DENHAM SPRINGS — Livingston Parish Students Against Destructive Decisions announced a $625,000 federal grant through the White House's Drug-Free Communities Support Program last week. According to the organization, the grant will provide $125,000 each year through 2031 for a 5-year investment totaling $625,000.The program said the funding will support community-driven and evidence-based strategies to prevent youth substance use, including alcoho…