Why historically high unemployment should embolden investors to take more market risk, according to a Wall Street chief strategist

· *The still-lofty unemployment rate offers investors the latest sign to return to the stock market, James Paulsen, chief investment strategist at The Leuthold Group, said Thursday.*
· *The S&P 500's average annual return in years when the unemployment rate exceeded 8% is roughly 25%, the strategist observed. When joblessness...