"There, Bob, did you see that? Oh, we've passed it, and you were looking the other way. It was a cowboy. At least he looked just like the pictures. And he was waving at the train."Betty Gordon, breakfasting in the dining-car of the Western Limited, smiled happily at Bob Henderson, seated on the opposite side of the table. This was her first long train trip, and she meant to enjoy every angle of it.