Demonstrators and police clashed outside Argentina’s Congress on Wednesday as senators passed a controversial reform package to privatize several state entities and introduce tax breaks for large investors. The package was approved by the slimmest of margins, with 37 voting in favour and 36 against. The deciding vote was cast by Vice President Victoria Villarruel, who as Senate president was able to prevent a stalemate by voting in favour, local media reported. Outside, hooded demonstrators hurled stones and incendiary devices at officers in Buenos Aires, while police deployed batons and tear …