If not, regulators would have to resort to the "good bank, bad bank" split of the bond insurers, as proposed Tuesday by Berkshire Hathaway 's Warren Buffett.
If not, regulators would have to resort to the "good bank, bad bank" split of the bond insurers, as proposed Tuesday by Berkshire Hathaway 's (nyse: BRKA - news - people ) Warren Buffett.