by Antonio Rodriguez Agence France-Presse WASHINGTON, United States (AFP) — For the first time in years the International Monetary Fund is optimistic about global economic growth. But it sees a new problem: mounting debt in the world’s largest countries. “Debt levels are increasing in G20 economies,” Tobias Adrian, who heads the IMF’s monetary and capital markets division, said Wednesday. Among private businesses in those countries, leverage is higher than before the financial crisis. And the weight of […]