By PAT GRAHAM and TALES AZZONI (AP) — For those venturing off the beaten path, be advised — it’s a little crowded out there. By nature’s standards, anyway, as the great outdoors has become the great escape. Hiking trails, parks and other open spaces were packed in 2020 with a cooped-up population searching for fresh air during the coronavirus pandemic. Locked down, shut in or just fearful of crowds,