ROME (Reuters) - Tens of thousands of students and workers rallied across Italy on Saturday to protest against austerity measures imposed by Prime Minister Mario Monti's technocrat government. Appointed a year ago when Italy came close to a Greek-style debt crisis, Monti has pushed through painful tax increases and spending cuts to try to rein in public finances at a time when schools and universities say they desperately need more support. "We need to fight for our rights. ...