Again found communist is being screened (12)

I believe the answer is:

rediscovered

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'again found' is the definition.
('discovered' can be a synonym for 'found' so perhaps 'rediscovered' is OK for 'again found')

'communist is being screened' is the wordplay.
'communist' becomes 'red' (red can informally mean communist).
'being screened' becomes 'covered' (I am not sure about this - if you are sure you should believe this answer much more).
'red'+'is'+'covered'='REDISCOVERED'

Can you help me to learn more?

(Another definition for rediscovered that I've seen is " Again found".)

I've seen this clue in The Times.

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