CHISINAU (Reuters) - Moldova’s President-elect Maia Sandu, who favours closer ties with the European Union, promised to tackle corruption and struck a conciliatory tone on Monday after defeating the pro-Moscow incumbent Igor Dodon in a run-off election.Sandu, a former World Bank economist, had 57.72% of votes and Dodon had 42.28%, data from the Central Election Commission showed. The West and Russia vie for influence in the former Soviet republic of 3.5 million, which is one of Europe’s poorest nations and has suffered a sharp economic downturn during the COVID-19 pandemic. Russian President Vladimir Putin was quick to congratulate Sandu, saying in a telegram he hoped she would take a constructive approach to developing ties between