Earlier this week, the inspector general for the Troubled Asset Relief Program, a k a, the bank bailout fund, released his report on the 2008 rescue of the American International Group, the insurer. The gist of the report is that government officials made no serious attempt to extract concessions from bankers, even though these bankers received huge benefits from the rescue. And more than money was lost. By making what was in effect a multibillion-dollar gift to Wall Street, policy makers undermined their own credibility — and put the broader economy at risk.

Paul Krugman

For the A.I.G. rescue was part of a pattern: Throughout the financial crisis key officials — most notably Timothy Geithner, who was president of the New York Fed in 2008...