Abbey, Dublin and available onlineRosaleen McDonagh's play, an unsettling love story set in a Traveller community, has the ring of truthfulness A love story shines through a mass of societal problems in Rosaleen McDonagh's new play, the first to be commissioned from a member of the Traveller community by the Abbey theatre. While the bond between the central couple, John (John Connors) and Julia (Sorcha Fox), is put u…