Students in Carol Hines' first-grade class at Farmersville Elementary School in Pennsylvania spent last year learning geography, letter-writing skills, history and patriotism through a pen-pal project with Marine Lance Cpl. Timothy Cassidy, who spent most of that time deployed to Afghanistan. Cassidy, a 20-year-old neighbor of Hines', exchanged letters and phone calls with the students and recently visited the classroom, where he answered questions about his uniform, the war and other subjects, including SpongeBob SquarePants.

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