Government action to stem collapse of the U.S. financial system was certainly warranted, agrees professor Robert Pozen. But results include less competition and increased risk to taxpayers. A Q&A from the HBS Alumni Bulletin and book excerpt from Too Big to Save?

Four little words have cost U.S. taxpayers dearly in government bailouts of once-mighty Wall Street firms. Congress can put an end to such costly rescues, says HBS professor David A. Moss, and the Federal Reserve could be a super regulator, adds senior lecturer Robert C. Pozen. But will Congress enact the regulatory cure that is required?