At prestigious Waverly Academy, having a roommate means daily sleepovers and a double the amount of luxury clothing. Yet, Callie Vernon never really enjoyed exchanging cashmere sweaters with her younger, rosy-cheeked roommate, Jenny Humphrey, or engaging in late-night girl conversation. Hence, Callie didn't feel too bad about turning around and kissing Easy Walsh behind Jenny's back after Jenny took her longtime boyfriend. Okay, so she might have...