The surprise departure of boss Noel Quinn, who dramatically reshaped the firm, puts the globe-straddling bank on the spot: appoint a steward of its strategy from within, or a new thinker from outside? In this Viewsroom podcast, Breakingviews columnists debate the $170 bln choice. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt-out of targeted advertising.