Let us rejoice! Megan Mullally, who won homo hearts as Karen on Will & Grace, may soon return to the small screen. We hear that the actress may join the cast of ABC's Bad Mother Handbook, a show about three generations of women living under one roof. The ABC series is an adaptation of Kate Long's bestselling novel and will feature 48-year old Mullally will reportedly play mama to 32-year old Alicia Silverstone, who will in turn have a 16-year old daughter. We're noticing a pattern…