Dormitory = Dirty room
Evangelist = Evil's agent
Desperation = A rope ends it
The Morse Code = Here come dots
Mother-in-law = Woman Hitler
Snooze alarms = Alas! No more Z's.
Eleven plus two = Twelve plus one
Clint Eastwood = Old West action
Slot machines = Cash lost in 'em
Conversation = Voices rant on
Norwegians = Swen or Inga?
The piano bench = Beneath Chopin
Southern California = Hot sun or life in a car
Found in Word Nerd, by John D. Williams, Jr.