We use technology to make it cheaper, better, and faster for the client. And then if you have the most flow, you can win. Now, having said that, Silicon Valley wants to take on this business. They think they see an opening.

I do believe that some of these regulations made the markets more volatile, and it remains to be seen how bad that can be.

Because of that [Brexit], you're going to have slow growth and, unfortunately, while there may not be huge volatility, there will be volatility.

It can take a long time to get the rules in place that are conducive to growing, sometimes.

I am still a Democrat. The main reason is because I don't like the Republican stance on some social values. Not that I disagree with all of them. I just don't think they have a right to impose it upon other people. I've been public about that.

Look, every institution will make mistakes. I acknowledge we make mistakes, and they can hurt my reputation and our company's. But you also must be willing to let go a little bit, trust others, and not always be so stringent, provided you have robust controls.

Look, in any system, you want highly ethical people who really understand issues to form policies and make tough decisions. You need all the right people in the room. But there's a general view in Washington now by many politicians that if you ever were on this side, you're conflicted for being on that side.