Press Photo by Tim GilmanAvid anglers Lou Hirsch and Gilbert Applegate try their luck in Bethlehem's Monocacy Park. The two city natives, who have fished and hunted together for many years seemed to enjoy the relative quietness of the park after the customary mob scene on April 12 for the official first day of the trout season in Pennsylvania. Hirsch said they had hooked some native trout, but