SARAJEVO - Major powers prepared to put pressure on Balkan leaders at a weekend summit called to rescue a Bosnia peace process threatened by Croat Muslim tensions and Serb anger over war crimes investigations. But, even before the talks in Rome started, a meeting between Croatian and Bosnian leaders failed to bridge divisions within a shaky Muslim Croat federation.
Western countries fear Croat opposition to ending Mostar's partition could derail the federation.
