“What do you mean you didn’t do much? You taught a generation of broadcasters that you needn’t be an asshole to be on TV!” This reassuring compliment to a self-deprecating Dónal Dineen hits me right in the sweet spot. The comment was by Ger Gilroy, host of the Saturday Panel segment of Newstalk’s Off The Ball sports radio show.  Dineen is on to talk about Kerry football but the subject has swung briefly to his days on the seminal No Disco music television show.  I’m loving all of this. The discussion has beautifully tied together three of my outspoken passions;…