"I think when the history of this period is written, people will realize a lot of the decisions that were made on Wall Street took place over a decade or so, before I arrived ...," he told ABC News' Charles Gibson in a recent interview. "I'm a little upset that we didn't get the reforms to Fannie and Freddie -- on Fannie and Freddie, because I think it would have helped a lot. And when people review the history of this administration, people will say that this administration tried hard to get a regulator. And there will be a lot of analysis of why that didn't happen. I suspect people will find a lot of it didn't happen for pure political reasons."
ABC News' Vija Udenans and the Associated Press contributed to this report.