Sarah Palin's teenage daughter Bristol gave birth to a 7 lb., 4 oz. baby boy in Alaska yesterday, People reports. Bristol and baby daddy Levi Johnston named the child Tripp Easton Mitchell Johnston, the sister of Bristol's grandmother said. "We think it's wonderful," she said. "The baby is fine and Bristol is doing well." Bristol and Levi plan to marry next year and raise young Tripp.
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