Voters in Moldova are deciding on the presidency as they cast their ballots in a run-off vote on Sunday, with the outcome unclear in the nation divided between pro-European President Maia Sandu and her pro-Russian rival. All polling stations opened without delay, the election commission said. Tens of thousands of people had already cast their votes in Chisinau and other locations early in the morning, in sunny autumnal weather. Sandu is running for a second term, but failed to secure an absolute majority in the first round of voting last month. Also called to the polls in the second round of v…