Broadcast in a manner so pointed! (3)
I believe the answer is:
sow
'broadcast' is the definition.
(sowing is a kind of broadcasting)
'manner so pointed' is the wordplay.
I cannot really understand how this works, but
'so' is found in the answer.
A single letter 'w' remains which might be clued in a way I don't see.
This explanation may well be incorrect...
'in a' is the link.
Can you help me to learn more?
(Other definitions for sow that I've seen before include "Female bear" , "One who takes care of litter" , "Scatter seed; pig" , "Female pig" , "She lives in 11" .)