PRESS PHOTOS BY C. RICHARD CHARTRANDPennsylvania State Troopers traded their regulation campaign hats for Santa hats, in spirit, to help children shop for Christmas at Target in the Hamilton Crossings shopping center, Lower Macungie Township, Dec. 14. The program, titled Shop with a Cop, allows children to buy gifts for family members and themselves. Troopers also help with gift wrapping. Target