UniCredit, the $68 bln Italian lender, grabbed a 9% stake in Germany’s $16 bln Commerzbank. In this Viewsroom podcast, Breakingviews columnists argue that a full merger makes financial sense, but potentially not for unions or the under-fire government in Berlin. 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.