[anagrammed variations of the american dream] 

A ram cairned me
In a crammed era [where]
Cameramen raid

A dire cameraman [or]
Arid cameramen
[Becoming]

A creamed airman [or]
A carmine dream
A minced ram ear

[a] maniac rearmed
As freedom turns into a dorm fee
Democracy to a car comedy, and
Human rights to harming huts

 

[we have no more statesmen]

They have now become speech actors, working with
Eight classes of words and
Seven syntactic elements
Changing singulars to plurals
Passive into active, or otherwise

A whole set of rules

All as conventional

As idioms per se

Adding some new vocab every year

Their job is to make new sentences
Based on the same old grammar