How to replace Bob Diamond? Barclays faces a difficult task: juggling the politics with the need for a serious investment banker. Lex's Stuart Kirk and Oliver Ralph discuss whether the normally unthinkable option of two chief executives might just work.<br /><br />For more commentary from the Lex team, visit http://www.ft.com/lex <br /><br />Related article: http://www.ft.com/cms/s/3/449d23ee-cb49-11e1-916f-00144feabdc0.html<br /><br />http://www.FT.com/
