Covers national broadcast, being chatty (14)
I believe the answer is:
conversational
'chatty' is the definition.
(thesaurus)
'covers national broadcast' is the wordplay.
'broadcast' indicates anagramming the letters (letters scattered or cast around).
'covers'+'national'='coversnational'
'coversnational' anagrammed gives 'CONVERSATIONAL'.
'being' is the link.
(Other definitions for conversational that I've seen before include "a manner of speaking" , "relaxed" , "Fond of a chat" , "Like chatting" .)