Is 48 Too Old To Be Working?

Baby boomers aren't retiring. Recession-battered savings, and the prospect of a decades-long retirement, have left them clinging to their jobs, keeping our nation's youth out of the workforce and forever stunting the younger generation's career potential.

That's the story we often hear. But that's not the story of Jack Ma, the 48-year-old CEO/billionaire of China's largest e-commerce conglomerate Alibaba Group, who announced Tuesday that he was stepping down in the spring and taking up the mantle of chairman.