In the economy, what goes up must come down (but how far?)

As a former Secretary of the Treasury, Lawrence Summers has experience managing complex financial systems. He talks with The Takeaway about the current climate of bank failures, sluggish housing markets, high unemployment and global economic malaise. Guest: Lawrence Summers, professor at Harvard University’s Kennedy School of Government. He served as Secretary of the Treasury from 1999 to 2001 and is a former president of Harvard University.