The government bailout of Citigroup may have resolved that bank's problem with toxic mortgage debt. But the rest of the banking industry is still struggling with an estimated $2 trillion of such debt.

The Citibank logo is shown on a branch office Wednesday, April 11, 2007 in New York. Citigroup Inc., which includes Citibank, announced Wednesday that it will eliminate about 17,000 jobs as part of a companywide restructuring to reduce costs and improve profits. (AP Photo/Mark Lennihan)

As part of the Citigroup rescue, the government agreed to shoulder most of the potential losses from $306 billion in risky mortgage assets and inject another $20 billion in capital into the bank, the biggest effort yet to prevent a big bank from failing.