Pessimism pervades Syria talks aimed at salvaging peace process

By John Irish and Suleiman Al-Khalidi VIENNA/AMMAN (Reuters) - Major powers sought at talks on Tuesday to reimpose a ceasefire in Syria and ensure aid reaches besieged areas, with Moscow and Washington deeply divided over the fate of President Bashar al-Assad and violence rumbling around the country. The aim of the conference, which brings together 17 countries backing the two warring sides, is to convince armed factions and opposition leaders to restart negotiations with the government. Officia