More Ratings, Not Fewer | Mark A. Calabria | Cato Institute: Commentary

More Ratings, Not Fewer | Mark A. Calabria | Cato Institute: Commentary: 'In the midst of a crisis, politicians and regulators all too often believe they can restore "confidence" by silencing the bearers of bad news. Witness the common banning of short selling whenever bank stocks take a tumble, as if speculators were to blame for the problems at Lehman or Fannie Mae.'