By Giuseppe Fonte and Angelo Amante ROME (Reuters) – Italy’s government crumbled on Wednesday when three of Prime Minister Mario Draghi’s main coalition partners snubbed a confidence vote he had called to try to end divisions and renew their alliance. Draghi won the vote in the upper house by 95 to 38 but with many dozens of senators absenting themselves, leaving his 18-month-old administration in tatters with an early election in September or October the most likely outcome. On the right, Forza Italia and the League parties did not take part in the vote. They were joined by the populist 5-Sta…