Brazil's President Rousseff has had a good year in cracking down on corruption. Will the momentum last?
Today, Brazil formally unveils its plans for the multi-country initiative, a timely move as ministers are sacked and people take to the streets to demand more transparency.
Although she has kept Brazil's economy buoyant in her first six months, the president has lost four ministers to corruption scandals and has been unable to keep her congressional allies in line.
Recent increases in defense spending by Brazil and Venezuela are attracting observers' attention.