NORTH BLENHEIM (AP) — A hiking trail from Manhattan to the Helderbergs southwest of Albany is getting an upgrade.The New York Power Authority and the state Office of Parks and Recreation say a new footbridge is being constructed in Mine Kill State Park in Schoharie (skoh-HAYR'-ee) County. It's the latest enhancement on the Long Path.The 358-mile-long trail takes hikers from Hudson River salt marshes to the Shawangunk Ridge, Catskill Mountains and John Boyd Thacher [...]