Geithner doesn't want to go through the debt ceiling lunacy again, so he's leaving before the shit hits the fan. And replacing him will probably be Jack Lew, who is currently serving as White House Chief of Staff.
Lew ran Citigroup's Alternative Asset Unit from 2002 to 2006, basically overseeing a hedge fund type operation that was betting against the housing market even as Citi was making billions in new subprime loans and mortgages.
Conflict of interest? Unethical? Illegal? Ya think?
Say hello to our 76th Treasury Secretary.
Only on Wall Street, kids...only on Wall Street.