Italy minister may quit on Friday over graft scandal: sources

By Paolo Biondi ROME (Reuters) - A senior Italian minister may quit as early as Friday over a corruption inquiry that is embarrassing Prime Minister Matteo Renzi's government, two parliamentary sources said. Transport and Infrastructure Minister Maurizio Lupi has faced mounting pressure to resign after police arrested four people in a sweeping investigation over corruption in public works contracts, the sort of graft that has long affected Italy's chronically stagnant economy. Renzi has faced wi