While this crisis had many causes, it is clear now that the government could have done more to prevent many of these problems from growing out of control and threatening the stability of our financial system. Gaps and weaknesses in the supervision and regulation of financial firms presented challenges to our government’s ability to monitor, prevent, or address risks as they built up in the system. No regulator saw its job as protecting the economy and financial system as a whole. Existing approaches to bank holding company regulation focused on protecting the subsidiary bank, not on comprehensive.