New Canaan First Selectman Robert Mallozzi III has issued a proclamation dedicating May 11 to be Horizons Day throughout the town. The proclamation recognizes the tremendous impact the Horizons Student Enrichment Program has had on the lives of New Canaan residents, and on the thousands of students it has served in our region. As part of the May 11 town-wide celebration, a number of local merchants are donating a portion of proceeds from afternoon sales to Horizons, including: Athletic Shoe…