The Christmas present ticked ominously from under the tree. Sam glanced at it suspiciously. She remembered the argument she had from the day before and sighed heavily. It was always something. She glared again at the innocuous-looking gift as Jane, her sister, entered the room. "Time to open them!" Jane yelled enthusiastically. Sam cringed, but picked up the little green package and ripped the paper. She stared open-mouth...