Wall Street Speculation, Obama's Advisor, Wyclef Jean

Steve Kroft explores how our current economic mess had more contributors than we may have thought. Not the least of which being Wall Street speculation in the oil futures market. News correspondent, David Martin with the Joint Chief of Staff Adm. Mike Mullen. This is Obama's advisor as our government changes parties during wartime, another historical first. Finally, Scott Pelley with Wyclef Jean, a Haitian immigrant turned rock star.