MINYANVILLE ORIGINAL Political uncertainty in Italy might have a negative impact on global shares today.   European stocks declined after Italian Prime Minister Mario Monti lost the Parliament's support and announced this weekend that he would resign after the 2013 budget is approved. Former Prime Minister Silvio Berlusconi campaigning on an anti-austerity anti-German policy will seek reelection.    Markets are not pleased by the prospect of Berlusconi's return. The yield on Italian 10-year sovereign debt jumped to 4.85% from 4.54% on Friday. Credit default swaps on Italian bonds also jumped. Italy's main equity index the FTSE MIB (INDEXFTSE:FTSEMIB) fell ...