The European branch of the world's largest PR-network, Worldcom Public Relations Group, is expanding and changing management. At the recent world congress in Lisbon, four new European partners were admitted and a Swede, Kjell Eriksson, was elected President for Worldcom Europe. With the three French additions, Kendo, Yucatan and F R I Communication and the German firm PR Hamburg, the network now includes some 30 associated partners in Europe