CASPER, Wyo. — Gray skies couldn’t keep dads and their families away from Washington Park on Saturday, as hundreds of people gathered to celebrate Father’s Day with the Casper Housing Authority. Every year, the CHA hosts the annual Father’s Day event, a celebration of families that comes directly from the top. “It’s actually a HUD [Housing and Urban Development] initiative,” said incoming Casper Housing Authority Executive Director Caysie Dulin.…