Someone out there either has way too much time to waste or is deadly at Scrabble.

Word - Anagram
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Dormitory - Dirty Room
Desperation - A Rope Ends It
The Morse Code - Here come Dots
Slot Machines - Cash Lost in 'em
Animosity - Is No Amity
Mother-in-law - Woman Hitler
Snooze Alarms - Alas! No More Z's
Alec Guinness - Genuine Class
Semolina - Is No Meal
The Public Art Galleries - Large Picture Halls, I Bet
A Decimal Point - I'm a Dot in Place
Eleven plus two - Twelve plus one
Contradiction - Accord not in it
Astronomer - Moon Starer
Princess Diana - End Is A Car Spin

AND HERE IS THE MOST INTRIGUING PART
Year Two Thousand - A Year To Shut Down