Note: Photo included. SNIPPET: "That's the way Nick George, a senior at Pomona College, in California, sees what happened to him at the Philadelphia airport two Saturdays ago. George, of Wyncote, Montgomery County, was about to catch a Southwest flight back to school when stereo speakers in his backpack caught the eye of screeners at the metal detector. When they looked though his bag, George said, they found his Arabic/English flash cards, and escorted him to a side screening area. He figures it didn't help that his passport had stamps from Jordan, where he'd studied a semester, and Egypt and...