Lyric theatre, BelfastOwen McCafferty's dramatisation of the last days of negotiations leading to the Good Friday Agreement remains accessible while expertly conveying tortuous political tussles "What are you giving up?" This question, posed by Bertie Ahern (Ronan Leahy), the former Irish taoiseach, is central to Owen McCafferty's dramatisation of the final four days of negotiation that led to the pivotal Good Friday…