In Latin America, growing scandals over corruption and conflicts of interest suggest its institutions leave much to be desired. Brazilian President Dilma Rousseff's statement that she will do "whatever it takes" to meet the government's budget target is to be welcomed in a country that is suffering a harsh economic deterioration. Like Rousseff, Latin American leaders will have to work harder to bring institutions up to standard — or face calls from voters and markets to step aside.

Dilma Rousseff, president of Brazil

First, the scandals. Brazil's oil sector is grappling with corruption allegations of little historical precedent. Infiltration of organized crime in Mexico's local police forces and controversies surrounding the highest levels of government have tarnished the country's image as a model reformer. Argentina is still reeling after its recent default. Consumer goods companies are expropriated daily in Venezuela, and many owners jailed, as the country struggles with massive shortages. Caracas mayor and opposition member Antonio Ledezma has also been jailed and accused of being involved in an alleged U.S.-backed coup. The number of cabinet ministers sacked in Peru has risen to over 50 in less than five years. This week, the country's prime minister became the most recent victim. Even Chile, a Latin American institutional role model, has suffered controversy amid allegations that President Michelle Bachelet's son used his influence to get his wife a $10 million loan for a real-estate deal.