Crossword Genius

Dicky goes and interrupts those hoping to change policy (8,6)

Ross

I believe the answer is:

interest groups

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'those hoping to change policy' is the definition.
I can't judge whether this definition defines the answer.

'dicky goes and interrupts' is the wordplay.
'dicky' is an anagram indicator (dicky can mean ill or non-functioning).
'and' says to put letters next to each other.
'goes'+'interrupts'='goesinterrupts'
'goesinterrupts' is an anagram of 'INTEREST GROUPS'.

Can you help me to learn more?

I've seen this clue in The Daily Mail.
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