Foreclosures have prompted a wave of class-action suits, which could cost banks billions of dollars, a congressional watchdog says.
Bank of America and other large banks say that investors' lawsuits could affect their bottom line.
Foreclosures in the US have increased over the summer and have become particularly serious in metropolitan areas.
Bernanke says Fed should have preliminary report next month about whether mortgage lenders broke rules in foreclosing on homeowners.
Bank of America will resume home foreclosures in 23 states despite claims that documents used in the process were flawed.
Several large banks have halted efforts to foreclose on homes in 23 states. There's evidence that many foreclosures may have been processed with incomplete or improper paperwork.
McCain and Obama differ on solutions, which could echo FDR’s during the Great Depression.