Said the Presidential skeleton
"I won't sign the bill"
Said the Speaker skeleton
"Yes you will"
The skeletal imagery of the poem highlights the vanity of human desires. Ginsberg was inspired by the Mexican holiday, the  Day of the Dead . 
 In a 1996 interview for Hotwired Ginsberg said: 
 “it’s an old trick to dress up archetypal characters as skeletons: the bishop, the Pope, the President, the police chief.”
Ballad Of The Skeletons