Nation's ideal Kentucky whiskey, possibly containing Ecstasy (8,5)

I believe the answer is:

american dream

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'nation's ideal' is the definition.
(ideal or vision of the USA)

I don't understand the rest of the clue.

(Other definitions for american dream that I've seen before include "(In the US) hopes for a better future - main armed race (anag)" , "Happy, prosperous US ideal" , "it suggests all can gain fame and fortune" , "aspiration abroad" , "Traditional social ideals of USA" .)

I've seen this clue in The Telegraph.

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