I think Anthony Jenkins interview in the FT yesterday
http://www.ft.com/cms/s/0/ef588b42-860a-11e4-b248-00144feabdc0.html?siteedition=uk#axzz3MEdEZ6qx
where he says that "Universal banking is dead" is hugely significant. He is not blaming regulators, or higher capital requirements. But saying they have to invest where they have competitive advantage, instead of trying to be all things to all people. See blog post for more details.
http://blog.lafferty.com/index.php/barclays-chief-executive-declares-death-of-universal-banking/