He needs to know how to answer these regarding breaking up big banks, they have not been secret:

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Four questions to ask before breaking up the banks

Question One: Can I Keep My Bank?

Question Two: How Does a Global Business Like 3M Bank?

Question Three: What Does This Mean for U.S. Capital Markets and Debt Issuers such as Minnesota?

Question Four: Are We Sure Dodd-Frank Isn’t solving the problem?

http://www.brookings.edu/blogs/up-front/posts/2016/04/04-four-questions-to-ask-before-breaking-up-banks-klein