Polish president, liberal rival face tight run-off

Polish President Andrzej Duda is set for a tight run-off against Warsaw's liberal mayor next month after Sunday's inconclusive first-round vote, leaving the fate of the populist right-wing government in the balance.Duda, who is backed by the governing Law and Justice (PiS) party, is expected to come out on top in the first-round vote with 41.8 percent, according to an exit poll by Ipsos.Rafal Trzaskowski, who has promised to heal rifts with the European Union, is set to come second with 30.4 per