President Dilma Rousseff, chastened by her near loss in the recent presidential election, has signaled a willingness to improve macroeconomic management, including by resisting a relapse into statism, the potential benefits of which now pale in comparison to its collateral damage and unintended consequences. If she delivers, Brazil would join Mexico in anchoring a more stable Latin America in 2015, helping the region to overcome the disruptive effects of a Venezuelan economy roiled by lower oil prices.