as derek dellinger reports... now, they've reunited -- and become fast friends. you really wouldn't know it from how they act-- but ella and anna had never met before, until this past saturday. and it's not lost on the parents that the two have many similarities. "they have a lot of the same facial expressions, so things like that catch me off guard." and an immediate connection. "she's a bundle of energy when she's around others but normally she's extremely shy and timid. how they came to meet is a story in itself-- and it goes all the way back to when they were adopted in china in 2006. they're fraternal twins-- but ella's parents say she was left at a park-- and anna's parents say she was left at the drstep of a hospital. no one was really sure if they were sisters-- but during the adoption process-- the mothers of both met, and there was an inkling that something was special about these two. "as soon as we realized the girls shared birthdays, karen e-mailed me and said 'you know, i niced that our girls shared birthdays. do you think it's a possibility that th