Some editor needlessly in two minds (4)
I believe the answer is:
torn
'in two minds' is the definition.
(I've seen this before)
'some editor needlessly' is the wordplay.
'some' says the answer is hidden in the clue (some of the parts of the word are used).
'TORN' is hidden in the letters of 'editor needlessly'.
(Other definitions for torn that I've seen before include "'-- Curtain', 1966 Hitchcock film" , "Having rips" , "Undecided between two" , "Removed forcibly" , "Ripped - undecided" .)