Needles partner over perfect programmes that encourage the airing of opinions (5,3)

'programmes that encourage the airing of opinions' is the definition.
'phone-ins' can be an answer for 'programmes' (phone-in is a kind of programme). I am not sure about the remainder of the definition.

'needles partner over perfect' is the wordplay.
'needles partner' becomes 'pins' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'over' means one lot of letters goes inside another.
'perfect' becomes 'hone' ('hone' can be a synonym of 'perfect').
'pins' going around 'hone' is 'PHONE-INS'.

Can you help me to learn more?