Advisor Corner: There are numerous challenges facing Social Security, and, it seems, just as many policymakers, legislators and academics debating the best ways to shore it up.

From the U.S. jobless rate to the ruble to pollution in Beijing, here are 10 key indicators that you'll want to keep an eye on.

Just when you thought the economy was roaring back to health, Former Federal Reserve Chairman Alan Greenspan is here to tell you otherwise.