Peter Hall, EMEA President at Informa, speaks to Paul Colston and sheds some light on one of the biggest deals of the year – the acquisition of UBM by Informa.   You were planning for the combination with UBM, presumably, for a while. Tell us a bit about that early process and how the preparatory work measured up to the reality once you were able to see the UBM operation from the inside? There has always been...