Making Sen$e with Paul Solman: Why do the rich get richer? French economist Piketty takes on inequality in ‘Capital’

On a recent U.S. press tour for his bestselling book “Capital,” French economist Thomas Piketty spoke to standing-room-only crowds about his examination of growing, global economic inequality. Economics correspondent Paul Solman interviews Piketty for his take on why inequality of wealth has reverted to a lofty level last seen in 19th century Europe.