MEXICO CITY: Mexico's incoming financial intelligence chief said it was "shameful" how little had been done about bribes that Brazilian construction firm Odebrecht executives said were paid to secure Mexican public works contracts, and vowed to reexamine the case once in office.Santiago Nieto will head the finance ministry's Financial Intelligence Unit, which analyses suspicious financial records, once the new leftist government takes office on Dec. 1. He said in an interview last week that the unit had been misused for political ends, without elaborating."It's shameful that Mexico and Venezuela . . .