US President Joe Biden and his top diplomat, Secretary of State Antony Blinken, congratulated the pro-European winner of Moldova’s election as they lashed out at what they said was Russia’s interference in the vote, noting Moscow had failed. “For months, Russia sought to undermine Moldova’s democratic institutions and election processes. But Russia failed,” Biden said in a statement on Monday. Maia Sandu was re-elected on Sunday as president of the former Soviet republic after securing 55.35% of the vote in a run-off poll against former attorney general Alexandr Stoianoglo, seen as the pro-Mos…