Senior Year, a Quick Choice...and a Big Surprise

They're well-to-do and they have a problem -- but they're not alone. The family of Hannah, a high school senior in Yakima, Wash., is facing a quandary that more than 729,000 American families deal with every year: teen pregnancy. Even their very nice house in their very nice, sheltered orchard didn't keep Hannah, 18, safe. Neither did all her high school achievements. "I was a homecoming king and queen with my boyfriend of three years," Hannah told "Primetime" in an interview in her...Full Story