House Subpoenas MF Global's Assistant Treasurer O'Brien

As the article notes, Edith O'Brien oversaw the fund transfers at MF Global, and almost certainly knows exactly what transpired, and who knew what about the misuse of the customer funds.

Reports have stated that Ms. O'Brien has been refusing to cooperate with investigators unless she is granted immunity from prosecution. And as the article notes, she is likely to plead the Fifth Amendment in