Crossword Genius

Leader to call newspaper's bluff (4)

Ross

I believe the answer is:

crag

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'bluff' is the definition.
(thesaurus)

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(Other definitions for crag that I've seen before include "Avant-garde" , "Rugged rock face" , "Rocky hilltop" , "Steep, overhanging rock" , "Rough, steep rock face" .)

I've seen this clue in The Telegraph.
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