FAIRBANKS, Alaska - The towns of Mentasta Lake, Alaska , and Fort Gibson , Okla. , are more than 2,770 miles apart but have shared a close relationship this school year thanks to a first-year elementary teacher. Mallory Cooper , 24, moved to Mentasta Lake, a small village 47 miles from Tok, early this summer to take a teaching position at the city's school. The village, with 114 people, is pretty different from Fort...