The leaders of the G8 countries -- sans Russian President Vladimir Putin -- met over the weekend at the U.S. presidential retreat, Camp David. The group discussed a number of initiatives, including energy, the global economy and African food security.Economy: The G8 statement on the economy was vague, calling for government spending reductions and fiscal policies to promote growth. This is standard boilerplate language from such a meeting, but very vague for markets that were looking for how countries are planning to handle their economies and the potential worsening of the Greek debt crisis. President Obama noted that the Europe's situation is more complicated than the U.S. recovery and will have to involve cooperation from all the euroz...