GEORGE BUSH: When you rearrange the letters: HE BUGS GORE

DORMITORY: DIRTY ROOM 

EVANGELIST: EVIL'S AGENT

PRESBYTERIAN: BEST IN PRAYER

DESPERATION: A ROPE ENDS IT. 

THE MORSE CODE: HERE COME DOTS

SLOT MACHINES: CASH LOST IN ME

ANIMOSITY: IS NO AMITY

MOTHER-IN-LAW: WOMAN HITLER

SNOOZE ALARMS: ALAS! NO MORE Z 'S

A DECIMAL POINT: I'M A DOT IN PLACE

THE EARTHQUAKES: THAT QUEER SHAKE

ELEVEN PLUS TWO: TWELVE PLUS ONE

 And for the grand finale:

PRESIDENT CLINTON OF THE USA: When you rearrange the letters (With no letters left over and using each letter only once):

TO COPULATE HE FINDS INTERNS